Harris was nominated for 11 Primetime Emmy Awards for her television work, winning three. She starred as Nora Helmer opposite Christopher Plummer in "A Doll's House" (1959), a 90-minute television adaptation of Henrik Ibsen's play. She made more appearances in leading roles on the Hallmark program than any other actress, also appearing in two different adaptations of the play "Little Moon of Alban", her performance in the 1958 TV movie of the same name earning her the Primetime Emmy Award for Outstanding Lead Actress in a Limited Series or Movie.