York last appeared on the Great White Way in Sly Fox, opening the show as working girl Miss Fancy and then switching roles to play the virginal Mrs. Truckle. York's other Broadway credits include Les Miserables, City of Angels, Victor/Victoria for which she won a Drama Desk Award and The Scarlet Pimpernel. She starred in the national tour and West End mounting of the Kiss Me, Kate revival. Her other theatrical credits include Reprise! mountings of Anything Goes and Babes in Arms and Dessa Rose off-Broadway. In 2003 she was seen playing the title character in the television movie Lucy, based on the life of legendary comedienne Lucille Ball.