She starred in Robert Aldrich's final film ...All the Marbles (1981), and in the 1984 rock musical film Body Rock, and had a bit part in All That Jazz. Frederick may be most remembered for her role as the sassy, elegant, long-haired Dancer Sheila Bryant in the 1985 movie A Chorus Line. It is said that Bob Fosse considered Frederick to be one of his favorite Dancers of stage and film.