- Lynda Carter
- Diana Prince / Wonder Woman
- Lyle Waggoner
- Major Steve Trevor
- John Randolph
- General Phil Blankenship
- Red Buttons
- Ashley Norman
- Stella Stevens
- Marcia
- Eric Braeden
- Captain Drangel
- Severn Darden
- Bad Guy
- Fannie Flagg
- Amazon Doctor
- Henry Gibson
- Nikolas
- Kenneth Mars
- Colonel Von Blasko
- Cloris Leachman
- Queen Hippolyta
- Helen Verbit
- Nurse
- Tom Rosqui
- Cop #2
- Fritzi Burr
- Saleslady
- Ian Wolfe
- Bank Manager
- Inga Neilsen
- Rena
- Maida Severn
- Teutonic Woman
- Jean Karlson
- 2nd Amazon
- Anne Ramsey
- Taxi Cab Driver
- Priscilla Barnes
- Amazon
- Winston Churchill
- Self
- Paul Frees
- Prologue Narrator / Franklin D. Roosevelt (voice) (uncredited)
- Gregory Harrison
- First Lieutenant - Army Medical Corps
- Adolf Hitler
- Self
- Benito Mussolini
- Self
- Franklin D. Roosevelt
- Self
