Television: Who plays Joan 'The Freak' in Prisoner?

Questions

In Movie Trivia: A young Richard Dreyfuss sang "Little Goldfish" in this film?

In Movie Trivia: Each Mad Max movie has a version of this song?

In Movie Trivia: Julie Andrews and Robert Preston sing this duet as a gay couple?

In Movie Trivia: She sang the beautifully haunting love theme from _Bram Stoker's Dracula_?

In Movie Trivia: This movie musical features Ann Margaret rolling in baked beans?