Morse won the Australian Film Institute Award for Best Actress in a Leading Role for her performance in the 1976 film Caddie. Her notable screen performances also include roles in the film Picnic at Hanging Rock (1975) and the television miniseries A Town Like Alice. Since her early work with Jim Sharman in the 1960s and 70s – A Taste of Honey, Terror Australis, As You Like It – Morse has worked in over ninety theatre productions.