Sal Ponti als Demetrios | |
Joyce Taylor als Princess Antillia | |
John Dall als Zaren | |
William Smith als Captain of the Guard | |
Edward Platt als Azor the High Priest | |
Frank De Kova als Sonoy the Astrologer | |
Berry Kroeger als Surgeon | |
Edgar Stehli als King Kronas | |
Wolfe Barzell als Petros, Demetrios' Father | |
Jay Novello als Xandros the Greek Slave | |
Paul Frees als Narrator / Multiple Voices (voice) | |
Nestor Paiva als Megalos (uncredited) | |
John Hart als Nobleman (uncredited) | |
Phyllis Douglas als Girl (uncredited) | |
I. Stanford Jolley als Governor of Rivers (uncredited) | |
Gene Roth als Governor of Animals (uncredited) | |
Charles Horvath als Nobleman (uncredited) | |
Charles Cirillo als Slave (uncredited) | |
George Bruggeman als Guard (uncredited) | |
Robert 'Big Buck' Maffei als Andex the Giant (uncredited) | |
Byron Morrow als Governor of the Mountains (uncredited) | |
Will J. White als Officer (uncredited) | |
Ralph Smiley als Pavlo (uncredited) | |
Harry Fleer als Governor of Science (uncredited) | |
David Dyer als Priest (uncredited) | |
Alan Callow als Norseman Slave (uncredited) |
George Pal | Director |
Daniel Mainwaring | Writer |
George Pal | Producer |
Jim Danforth | Visual Effects |
William Ferrari | Art Direction |
Henry Grace | Set Decoration |
Robert R. Hoag | Special Effects |
Richard Pefferle | Set Decoration |
A. Arnold Gillespie | Special Effects |
Harold E. Wellman | Director of Photography |
Ben Lewis | Editor |
Russell Garcia | Original Music Composer |
Gene Warren | Visual Effects |
Lee LeBlanc | Special Effects |
Gerald Hargreaves | Theatre Play |
George W. Davis | Art Direction |
William Tuttle | Makeup Artist |
Wah Chang | Visual Effects |
Mary Keats | Hairstylist |
John Truwe | Makeup Artist |
Franklin Milton | Recording Supervision |
Charles Horvath | Stunts |
Roy Jenson | Stunts |
Paul Baxley | Stunts |