 | Peter Graves als Himself - Narrator |
 | Peter Hurkos als Himself |
| William Stenberg als Himself |
| Sidney Walter als Himself (as Dr. Sidney Walter) |
| Jerilou Whelchel als Herself |
| Roger Patterson als Archive Footage |
| Peter C. Byrne als Self |
| Grover Krantz als Self |
| Adrian Shine als Loch Ness Investigator |
| Robert W. Morgan als Self |
| John Green als Self |
| Robert Guenette | Director |
| Robert Guenette | Writer |
| Ruby Raksin | Original Music Composer |
| Robert Guenette | Producer |
| Raylan D. Jensen | Executive Producer |
| Charles E. Sellier Jr. | Producer |
| James L. Conway | Associate Producer |
| Tony Coggans | Director of Photography |
| Erik Daarstad | Director of Photography |
| David Myers | Director of Photography |
| Earle Herdan | Editor |
| Robert K. Lambert | Editor |
