On screen
Cast
36 credited performers
Arnold Stang
Pretzie
Arnold Schwarzenegger
Hercules
Artwork unavailable
Deborah Loomis
Helen Camden
James Karen
Professor Camden
Artwork unavailable
Ernest Graves
Zeus
Artwork unavailable
Tanny McDonald
Juno
Artwork unavailable
Harold Burstein
Rod Nelson
Merwin Goldsmith
Maxie
George Bartenieff
Nitro
Taina Elg
Nemesis
Artwork unavailable
Michael Lipton
Pluto
Artwork unavailable
Jan Adams
Character not listed
Artwork unavailable
William Bass
Character not listed
Rudy Bond
Ship Captain
Lane Carroll
Character not listed
Artwork unavailable
Tony Carroll
Monstro
Artwork unavailable
Oliver Clark
Character not listed
Artwork unavailable
Erica Fitz
Venus
Artwork unavailable
Erin Fleming
Character not listed
Frank Gio
Character not listed
Artwork unavailable
Diane Goble
Diana
Artwork unavailable
Dan Hamilton
Mercury
Richard Herd
Television Presenter
Artwork unavailable
Audrie Magee
Character not listed
Michael Miller
Character not listed
Artwork unavailable
Ronnie Richards
Character not listed
Artwork unavailable
Tony Roland
Character not listed
Alex Stevens
Character not listed
Artwork unavailable
Viola Swayne
Character not listed
Artwork unavailable
Mark Tendler
Samson
Artwork unavailable
Dennis Tinerino
Atlas
Artwork unavailable
Alicia Vetcher
Character not listed
Artwork unavailable
Iris Whitney
Character not listed
Artwork unavailable
Parnell Hall
Man with Chariot (uncredited)
Artwork unavailable
Abe Holiday
Scared Man on Harbor (uncredited)
Sam Stewart
Bear (uncredited)