Arthur Allan Seidelman Director Arnold Schwarzenegger Hercules Actor Arnold Stang Pretzie Actor Deborah Loomis Helen Camden Actor Taina Elg Nemesis Actor James Karen Professor Camden Actor Ernest Graves Zeus Actor Tanny McDonald Juno Actor Rudy Bond Ship Captain Actor Aubrey Wisberg Screenwriter, Producer Murray M. Kaplan Executive Producer Lewis G. Chapin Jr. Executive Producer Leo Lebowitz Cinematographer Donald P. Finamore Film Editing John Balamos Original Music Perry Watkins Art Director Charles D. Tomlinson Costume Design