Also in 1980, Seymour was given the role of young theatre actress Elise McKenna in the period romance.
In the Playboy interview, Seymour revealed that she briefly quit acting after being sexually harassed by an unnamed film producer in the early 1970s.
Other stage plays in which she has appeared include Bossa Nova, Last Street Play The Mighty Gents , Checkmates, Brothers, Sisters, Husbands and Wives, Don't Get God Started! In 1982, she appeared in with and her Amadeus costar Ian McKellen.