How many original 3rd us tour cast were there while the original uk cast was alyssa dipalma?
create table table_24353141_1 (original_3rd_us_tour_cast varchar, original_uk_cast varchar, PRIMARY KEY (original_3rd_us_tour_cast))
select count(original_3rd_us_tour_cast) from table_24353141_1 where original_uk_cast = "alyssa dipalma"