Instruct: Given a question, retrieve relevant documents that answer the question.
Query: Who played the character of Sarah Louise Platt on Coronation Street?
Sarah Platt (also Tilsley and Grimshaw) is a fictional character from the British ITV soap opera Coronation Street. She was born on-screen during the episode broadcast on 2 February 1987. She was played by Leah King in 1987 and by Lynsay King from 1987 until 8 October 1999 when King opted to leave to focus on her education. Tina O'Brien took over the role on 31 October 1999; she opted to leave in 2007 and made her final on-screen appearance on 30 December 2007.[1] A number of false rumours about O'Brien returning to the role surfaced during her absence from the serial.[2] In October 2014, it was announced that O'Brien would reprise the role, she returned on screen on 30 March 2015.
Fallon's first television role came in 2015 when she was cast as Bethany Platt, the daughter of Sarah Platt (Tina O'Brien), in the ITV soap opera "Coronation Street". A returning character, Bethany had been played by child actors Mia Cookson (2000) and twins Amy and Emily Walton (2000–2007), before Fallon took over. The actress was nineteen when she was cast to play the fourteen-year-old Bethany. She was offered the role after it emerged that the actress who was originally chosen for the part lied about her age.
Judith Roberts, portrayed by Jane Hogarth, was Sarah-Louise Platt's (Tina O'Brien) midwife during her pregnancy with Bethany (Amy and Emily Walton). She was present at her antenatal class when Jenny Lyons (Natalie Lawless) asked her if her mother can be at the birth of her son, Josh (Adam Chapman). Judith said it was a fine idea and gave Sarah's mother Gail (Helen Worth) advice on how to be a grandmother.
Darren Michaels, portrayed by Bruno Langley in 2000 and by Nicholas Zabel in 2001, is Candice Stowe's (Nikki Sanderson) short-term boyfriend. Candice first mentioned him to her best friend Sarah-Louise Platt (Tina O'Brien), who was upset as she thought, because of her teenage pregnancy, she will never have a boyfriend.
During a live episode Sarah Platt (Tina O'Brien) invites Callum over, hoping to get a confession of his crimes but this backfires when he finds her recording the conversation and takes her hostage. After Callum threatens her, she tries to make a run for it but Callum pins her down and attempts to rape her but is stopped by Kylie who hits him over the head with a wrench, instantly killing him. Kylie's husband and Sarah's brother, David Platt (Jack P. Shepherd) comes home and wanting to protect Kylie and Sarah, buries Callum beneath what will be Gail's new "granny annex"; which was still being renovated. In December 2015, Sarah finds out she is four months pregnant with Callum's baby, just over a month after his death. Sarah contemplated having an abortion, but following a discussion with Kylie at the clinic, Sarah decides to keep the baby. Harry Platt, was born in March 2016 after Sarah went into labour five weeks early. 
Aidan was a pupil at Weatherfield Comprehensive School, who made life difficult for his teacher Ken Barlow (William Roache). He began dating Sarah-Louise Platt (Tina O'Brien) and led her astray, while also becoming friendly with her best friend Candice Stowe (Nikki Sanderson). They drank alcohol and played truant, causing Sarah's step-father Richard Hillman (Brian Capron) to warn him off. Aidan took Sarah for a joyride in his car and he crashed into a lorry. He left Sarah for dead and she broke up with him. Richard framed Aidan for killing Maxine Peacock (Tracy Shaw), resulting in his arrest. Aidan was proven innocent when Richard later confessed.
Carmel Finnan, played by Catherine Cusack, was a student nurse classmate of Martin Platt's (Sean Wilson), whom she became obsessed with and tried to ruin his marriage with his then wife Gail (Helen Worth). Considering the fact that she had looked after the Platt Family’s children, Carmel became known as the “Nanny from Hell” by viewers and the "Coronation Street" cast. The character's condition was later identified as erotomania.
Born in Rusholme, Manchester, England, O'Brien left Trinity C.E. High School with nine GCSEs. She starred in the drama "Children's Ward" in 1997, "The Cops" in 1998 and "Clocking Off" in 2000, playing the on-screen half sister of actor Jack P. Shepherd who later became her on-screen brother David Platt in "Coronation Street". At the age of sixteen, she joined "Coronation Street" in October 1999, taking over the role of Sarah-Louise Platt from actress Lynsay King (she was three years older than her character). Sarah's pregnancy with baby Bethany Platt won O'Brien "Best Storyline" at the British Soap Awards. She has also won "Best Newcomer" at the National Television Awards, and the TV Quick Awards. O'Brien revealed in the British press in April 2007 that she would be leaving "Coronation Street" before the end of the year. Her first role after leaving "Coronation Street" was in the 2007 pantomime at Manchester Opera House, where she played the title character of "Cinderella". Her first television role post-"Coronation Street" was in the ITV police television drama "Blue Murder", filmed whilst four months pregnant, in which she played a character called Amy Kirkland. O'Brien expressed interest in doing televised dramas and theatre work, although after becoming pregnant, she decided to put her career on hold.
Neil Fearns is revealed as the father of Sarah-Louise Platt's (Tina O'Brien) daughter, Bethany (Amy and Emily Walton). He is an "absent father" and has nothing to do with Bethany, although his family do send a card for her first birthday.
Todd begins a relationship with Candice Stowe (Nikki Sanderson), before romancing Sarah-Louise Platt (Tina O'Brien). She later ends their relationship because she wants to date Ade Critchley (Dean Ashton). Langley and O'Brien were in a relationship and she told Frances Traynor from the "Daily Record" that acting out their break-up was not strange. Todd then resumes his previous relationship with Candice. But Todd soon returns to Sarah. She decides to sleep with Todd on her sixteenth birthday. The storyline was controversial and nine viewers contacted the Independent Television Commission. The organisation investigated the scenes and cleared "Coronation Street" of breaching guidelines. They praised them for building a relationship between the two characters and viewed it as a mature decision. Prior to this, Langley's friends would tease him because Todd was a virgin. O'Brien told Steve Hendry from the "Sunday Mail" that Sarah is "a bit dependent on Todd". In June 2003, Alex Tate from "The People" reported that Sarah-Louise would dump Todd. Sarah fears that she and Bethany are preventing Todd from succeeding at Oxford University. But Sarah and Todd move into a flat together. Sarah's daughter Bethany Platt (Amy and Emily Walton) electrocutes herself and Todd finds her unconscious. The accident prompts Gail Platt (Helen Worth) to involve the social services.
Lydia Summers, portrayed by Alison Darling, was a social worker who visited the Platt family to support Sarah-Louise (Tina O'Brien) and her family in relation to Sarah's pregnancy. Dr. Wilson had informed Gail (Helen Worth) that social services will be visiting.
Kirsten Grant, portrayed by Vicky Connett, was one of the pupils who stirred at Sarah-Louise Platt (Tina O'Brien) when there were rumours that she was pregnant. She bullied her along with some other pupils when they put a baby doll in her locker and called her names but her best mate, Candice Stowe (Nikki Sanderson), stood up for her.
In September 1992, Carmel moved to Weatherfield, England and became friends with Martin. He asked her if she would babysit his three children; Nicky (Warren Jackson), Sarah-Louise (Lynsey King), and David (Thomas Ormson) that night so he and Gail can go out. She agreed and over time, Carmel proved to be good with the children and she became the Platts' babysitter regularly.
Mr. Fearns is the father of Neil Fearns (Paul Holowaty) who impregnates Sarah-Louise Platt (Tina O'Brien) when they are 12 years old. He offers the Platt family help with the baby, which Sarah's mother Gail (Helen Worth) refuses as Neil is not willing to take responsibility for the child. He makes his only appearance just over two months before Sarah's baby is born.
Tegwin Thomas, portrayed by Howell Evans, took a photograph of the Platt clan in 2000. He seemed to be a good friend of Audrey Roberts (Sue Nicholls), but a dislike to the rest of the family. He also seemed to be too nice to Audrey's granddaughter Sarah-Louise Platt (Tina O'Brien) as he compared her to Audrey and asked her about modeling, which angered her adoptive father Martin (Sean Wilson). However, he was uncomfortable when he discovered Sarah was a teenage mother to a baby daughter named Bethany (Amy and Emily Walton).
Todd then resumes his previous relationship with Candice.[16] But Sarah soon returns to Todd. She decides to sleep with Todd on her sixteenth birthday. The storyline was controversial and nine viewers contacted the Independent Television Commission. The organisation investigated the scenes and cleared Coronation Street of breaching guidelines. They praised them for building a relationship between the two characters and viewed it as a mature decision.[17] O'Brien told Steve Hendry from the Sunday Mail that Sarah is "a bit dependent on Todd".[18] In June 2003, Alex Tate from The People reported that Sarah-Louise would dump Todd. Sarah fears that she and Bethany are preventing Todd from succeeding at Oxford University.[19] But Sarah and Todd move into a flat together. Sarah's daughter Bethany Platt (Amy and Emily Walton) electrocutes herself and Todd finds her unconscious. The accident prompts Gail Platt (Helen Worth) to involve the social services.[18]
In December 2000, when Sam befriended the Platt family, Sarah-Louise Platt (Tina O'Brien), had a huge crush on him. She wrote about it in her diary but when her younger half-brother, David (Jack P. Shepherd), and his friend Simon got a hold of it, they read the story about Sam and this resulted in David to tell his very concerned father, Martin (Sean Wilson), what he and Simon had read. Both Martin and his ex-wife and Sarah and David's mother, Gail (Helen Worth), became very protective of Sarah about boys since she gave birth to her daughter, Bethany (Amy and Emily Walton), in June 2000 and Martin angrily confronted Sarah at tea, even bringing Sam into the situation, telling them to stay away from each other, humiliating Sarah. The whole family were furious with Martin for the way he treated Sam and wouldn't speak to him for a month.
Mrs. Paton, portrayed by Janice McKenzie, was a head teacher at Weatherfield Comprehensive, and was informed of Sarah-Louise Platt's (Tina O'Brien) pregnancy. She assured Sarah and her concerned parents that Sarah will receive support from the school staff, which Martin was apprehensive about as he didn't want the baby's father Neil Fearns (Paul Holowaty) to be involved.
Marion Stowe, portrayed by Paula Simms, is the mother of Candice Stowe (Nikki Sanderson), who usually led her best mate Sarah-Louise Platt (Tina O'Brien) astray. Oblivious to Candice's bad behavior, Marion disapproved of Sarah, especially when she discovered the young girl was expecting a baby at the age of just thirteen. She demanded Sarah to stay away from her daughter, causing Sarah's mother Gail (Helen Worth) to angrily turn up on her doorstep and give her a piece of her mind before the door was slammed in her face.
The following is a list of characters that first appeared in the ITV soap opera "Coronation Street" in 2001, by order of first appearance.
Adam Barlow is the son of Mike Baldwin (Johnny Briggs) and Susan Barlow (Joanna Foster). The role was originated by child actor Iain De Caestecker in 2001, 2002 and 2003, but upon the character's return in 2004 he was recast with former model, Sam Robertson. Robertson reprised the role in November 2016. In November 2016, on his return to Weatherfield, Adam is caught in "Underworld" by Johnny Connor (Richard Hawley) and Aiden Connor (Shayne Ward). He, Peter and his aunt Tracy Barlow (Kate Ford) visit Ken in hospital after he suffered a stroke. There, they meet Daniel Osbourne (Rob Mallard), who reveals he is Ken's son. Adam joins his family for a meal and defends Tracy against Robert Preston (Tristan Gemmill). Adam gets revenge on Robert by calling environmental health. Daniel is suspected of stealing Adam's car when Tracy and Adam visit his flat and find student debts. Adam spends the night with Maria Connor (Samia Longchambon).
Todd James Grimshaw is a fictional character from the long-running soap opera, "Coronation Street". He made his first appearance on 14 January 2001, and is played by Bruno Langley. He is the son of Eileen Grimshaw (Sue Cleaver) and brother of Jason Grimshaw (Ryan Thomas), both of whom made their first appearances in 2000. Todd is perhaps best known for his relationship with Sarah-Louise Platt (Tina O'Brien), before realizing that he was actually gay. Todd left the soap in 2004, but made two brief returns in 2007 and 2011. He returned to "Coronation Street" in November 2013, and is currently a regular character.
Glen Middleham, portrayed by Will Haigh, was a short-term boyfriend of Sarah-Louise Platt (Tina O'Brien). Sarah and Glen first met at the pictures, and they got on well although Sarah didn't mention she was a teenage mother to a baby daughter named Bethany (Amy and Emily Walton). Her and Glen then went bowling, and it ended well with a kiss.
Sarah-Louise Platt (née Tilsley; previously Grimshaw) is a fictional character from the British soap opera "Coronation Street". She was born on screen during the episode broadcast on 2 February 1987. She was played by Leah King in 1987 and by Lynsay King from 1987 until 8 October 1999 when King opted to leave to focus on her education. Tina O'Brien took over the role on 31 October 1999; she opted to leave in 2007 and made her final on-screen appearance on 30 December 2007. A number of false rumours about O'Brien returning to the role surfaced during her absence from the serial. In October 2014, it was announced that O'Brien had reprised the role, she returned to filming in February 2015 and returned on screen on 30 March 2015. Sarah's storylines have included a controversial and ground-breaking underage pregnancy which saw her giving birth to Bethany Platt (Amy & Emily Walton, Lucy Fallon) and saw Sarah deal with motherhood in her teens, internet grooming, her friendship with Candice Stowe (Nikki Sanderson), her relationships with Todd (Bruno Langley) and Jason Grimshaw (Ryan Thomas) as well as her sibling rivalry between her and her half-brother David Platt (Thomas Ormson, Jack P. Shepherd). Her exit storyline saw her leave Weatherfield to start a new life with Bethany in Milan. Her return storyline saw her track down Bethany who had run away from home and returned to Weatherfield and begin a relationship with brother David's enemy Callum Logan (Sean Ward). Sarah was a central character in the shows third live episode which was aired to commemorate 60 years of ITV.
Barbara Platt, played by Barbara Young, is the mother of Martin Platt and wife of Barry Platt. 
Violet Wilson, portrayed by Jenny Platt making her first onscreen appearance on 8 October 2004 and remained until 29 February 2008. Platt returned for one episode on 24 April 2011. Violet arrives on the Street on in October 2004, as a barmaid in the Rovers Return Inn. A former pupil of Ken Barlow (William Roache) when he was a teacher at Weatherfield Comprehensive, she addresses him as "Sir" during her time on the Street. Violet befriends neighbour Katy Harris (Lucy-Jo Hudson) and is good friends with Sean Tully (Antony Cotton), whom she knew before moving to Coronation Street. Violet begins a relationship with Jason Grimshaw (Ryan Thomas), whose mother Eileen (Sue Cleaver) finds Violet a pleasant young woman. After some unease by Violet, who states that she had left home at a young age to live with an older, dominant man, she moves into 11 Coronation Street with Jason. They break up after Violet is seduced by Charlie Stubbs, but reunite. The relationship breaks up when Jason has an affair with Sarah Platt (Tina O'Brien). Jason proposes to Violet but she turns him down.
Jenny Lyons, portrayed by Natalie Lawless, is a former friend of Sarah-Louise Platt (Tina O'Brien). They first met at a prenatal class, and like Sarah, also got pregnant at the age of just thirteen. She explained to Sarah that her boyfriend left her after she revealed her pregnancy to him. She then asked midwife Judith Roberts (Jane Hogarth) if her mother can be present at the baby's birth, and Judith happily agreed to the idea. Jenny would give birth to her son Josh (Adam Chapman) later in the year.