A heroic expedition braves snow-whipped precipices and discovers the dreaded humanoids. But wait – these are extraterrestrial yetis who zipped in from outer space to conquer Earth by melting the polar ice caps with high-energy proton fields. Will mankind be global-warmed into surrender?
| Writing | Ivan Reiner | Screenplay |
| Directing | Antonio Margheriti | Director |
| Directing | Eva Koltay | Script Supervisor |
| Writing | Aubrey Wisberg | Story |
| Camera | Angelo Pennoni | Still Photographer |
| Art | Piero Poletto | Art Direction |
| Editing | Otello Colangeli | Editor |
| Art | Franco Calabrese | Set Decoration |
| Sound | Angelo Francesco Lavagnino | Original Music Composer |
| Costume & Make-Up | Berenice Sparano | Costume Design |
| Camera | Riccardo Pallottini | Director of Photography |
| Writing | Bill Finger | Screenplay |
| Writing | Charles Sinclair | Screenplay |
| Production | Joseph Fryd | Associate Producer |
| Production | Antonio Margheriti | Associate Producer |
