A party of archaeologists discovers the remnants of a mutant five millennia-old Sumerian civilization living beneath a glacier atop a mountain in Mesopatamia.
| Directing | Virgil W. Vogel | Director |
| Production | William Alland | Producer |
| Camera | Ellis W. Carter | Director of Photography |
| Editing | Irving Birnbaum | Editor |
| Costume & Make-Up | Bud Westmore | Makeup Artist |
| Costume & Make-Up | Joan St. Oegger | Hairstylist |
| Art | Alexander Golitzen | Art Direction |
| Art | Robert Emmet Smith | Art Direction |
| Costume & Make-Up | Jay A. Morley Jr. | Costume Design |
| Sound | Heinz Roemheld | Original Music Composer |
| Sound | Hans J. Salter | Original Music Composer |
| Sound | Herman Stein | Original Music Composer |
| Writing | László Görög | Screenplay |
| Art | Russell A. Gausman | Set Decoration |
| Art | Carl J. Lawrence | Set Decoration |
