Trailer
Images
 | Paul Birch as Allan Kelley |
 | Lorna Thayer as Carol Kelley |
 | Dona Cole as Sandra Kelley |
 | Dick Sargent as Deputy Larry Brewster |
 | Leonard Tarver as Him |
 | Chester Conklin as Ben Webber |
| Bruce Whitmore as The Beast (voice) |
 | London as Duke, the Dog (uncredited) |
| Directing | |
| David Kramarsky | Director |
Writing | |
| Tom Filer | Screenplay |
Production | |
| David Kramarsky | Producer |
| Roger Corman | Executive Producer |
Sound | |
| Dmitri Shostakovich | Music |
Crew | |
| Charles P. Eisenmann | Animal Coordinator |
Production | |
| Charles Hannawalt | Associate Producer |
Camera | |
| Everett Baker | Director of Photography |
Editing | |
| Jack Killifer | Editor |
Art | |
| Albert S. Ruddy | Art Direction |
Production | |
| Jonathan Haze | Production Manager |
Directing | |
| Donald Myers | Assistant Director |
Crew | |
| Paul Blaisdell | Special Effects |
Visual Effects | |
| Paul Blaisdell | Creature Design |
Sound | |
| Igor Stravinsky | Music |
| Sergei Prokofiev | Music |
Directing | |
| Roger Corman | Director |
