Arnold Schwarzenegger
Hercule (creditat Arnold Strong Mr. Universe)James Karen
Profesorul CamdenArnold Stang
PretzieDeborah Loomis
Helen CamdenErnest Graves
ZeusTanny McDonald
JunoHarold Burstein
Rod Nelson (creditat Howard Burstein)Taina Elg
NemesisArthur Allan Seidelman
Aubrey Wisberg
Arnold Schwarzenegger
Hercule (creditat Arnold Strong Mr. Universe)James Karen
Profesorul CamdenArnold Stang
PretzieDeborah Loomis
Helen CamdenErnest Graves
ZeusTanny McDonald
JunoHarold Burstein
Rod Nelson (creditat Howard Burstein)Taina Elg
NemesisAubrey Wisberg
John Balamos
Leo Lebowitz
Donald P. Finamore