Maciste / Maxus / Germanicus
Reg Lewis
Moah
Margaret Lee
Agmir
Birgit Bergen
Aydar of the Sun People
Luciano Marin
Rhea
Andrea Aureli
Chief of the Cave People
Nello Pazzafini
Agmin
Maria Kent
Girl of the Sun People
Fulvia Gasser
Dorak
Rocco Spataro
Lady (uncredited)
Rossana Canghiari
Makeup Effects
Carlo Rambaldi
Makeup Artist
Director
Guido Malatesta
Screenplay
Arpad De Riso
Costume Design
Mario Giorsi
Story
Producer
Giorgio Marzelli
Original Music Composer
Gian Stellari
Editor
Enzo Alfonsi
Guido Robuschi
Giovanni Ranieri
Director of Photography
Giuseppe La Torre
Alfio Quattrini
Production Design
Umberta Cesarano