 | Marjoe Gortner als Morgan |
 | Pamela Franklin als Lorna |
 | Ralph Meeker als Bensington |
 | Jon Cypher als Brian |
 | Ida Lupino als Mrs. Skinner |
 | John McLiam als Mr. Skinner |
 | Belinda Balaski als Rita |
 | Tom Stovall als Thomas |
 | Chuck Courtney als Davis |
| Reg Tunnicliffe als Ferry Attendant |
| Kevin Schumm als Child in a Classroom (uncredited) |
| Bert I. Gordon | Director |
| Bert I. Gordon | Screenplay |
| H.G. Wells | Novel |
| Samuel Z. Arkoff | Executive Producer |
| Graeme Murray | Art Direction |
| Corky Ehlers | Editor |
| Reginald H. Morris | Director of Photography |
| Betty Martin | Casting |
| Bert I. Gordon | Producer |
| Elliot Kaplan | Original Music Composer |
| Ilse Richter | Costume Design |
| Thomas R. Burman | Special Effects Makeup Artist |
| Salli Bailey | Hairdresser |
| Phyllis Newman | Makeup Artist |
| Salvatore Billitteri | Executive In Charge Of Post Production |
| Flora M. Gordon | Unit Production Manager |
| Robert J. Koster | Production Supervisor |
| Gavin B. Craig | Second Assistant Director |
| Marianne Dolen | Assistant Director Trainee |
| Flora M. Gordon | Assistant Director |
| Bert I. Gordon | Visual Effects |
| Jody Richardson | Visual Effects Coordinator |
| Bob Watts | Wardrobe Assistant |
| Margaret Hanly | Script Supervisor |
| Rod Parkhurst | Camera Operator |
| Thom Ryan | First Assistant Camera |
| Gundar Lipsbergs | Second Assistant Camera |
| Dave Clark | Still Photographer |
| George Mulholland | Sound Mixer |
| Rob Young | Boom Operator |
| Brian Montague | Gaffer |
| Art Collier | Best Boy Electric |
| Ron Gillham | Key Grip |
| Pat Hollywell | Key Grip |
| Tim Hogan | Dolly Grip |
| John Stooshnov | Property Master |
| Reg Tunnicliffe | Props |
| Tom Fisher | Special Effects |
| John Thomas | Special Effects |
| Keith Wardlow | Special Effects |
| Bob Bowe | Transportation Captain |
| Ann Lander | Publicist |
| Jacques Khouri | Location Coordinator |
| Carol Gordon | Location Coordinator |
| Tom Finan | Assistant Editor |
| Bill Berry | Negative Cutter |
| Cathy Buchanan | Set Medic |
