 | Tuesday Weld als Vicky |
 | Joan Hackett als Claire Elliott |
 | Sam Waterston als Michael Elliott |
 | Lucille Benson als Mrs. Turner |
 | Michael Lerner als Jerry Steele |
 | R. G. Armstrong als Mr. Turner |
 | Ed Bernard als Coroner |
 | William Turner als Mr. Griffiths |
 | Lance Kerwin als Chip |
| Sandra Coburn als Woman |
| Rita Conde als Maid |
| Sam Henriot als David |
| John Levin als Keith |
| James A. Newcombe als Peter |
 | Don Sparks als Photographer |
 | Jesse Vint als Cop on Freeway |
| Pattie J. Barbosa als Girl on the Beach (uncredited) |
| Daniel Selby als Student (uncredited) |
| John Badham | Director |
| Thomas Narcejac | Novel |
| Harry Maret | Makeup Artist |
| David Rawlins | Editor |
| Dione Taylor | Hairstylist |
| Ross Brown | Casting |
| Aaron Rosenberg | Producer |
| Mario Tosi | Director of Photography |
| Boris Leven | Production Design |
| John P. Austin | Set Decoration |
| Pierre Boileau | Novel |
| Billy Goldenberg | Original Music Composer |
| Carol Sobieski | Teleplay |
| Bruce Stone | Assistant Sound Editor |
| Roger Sword | Supervising Sound Editor |
| John S. Perry | Costume Supervisor |
| Don S. Walden | Sound Effects |
| Don J. Bassman | Sound Mixer |
| Bill Wainess | Property Master |
| Lois Kerst | Production Assistant |
| Ken Hall | Music Editor |
| Donald C. Klune | Unit Production Manager |
| Frederic W. Brost | First Assistant Director |
| Cliff Wenger | Special Effects |
| Betsy Cox | Costumer |
| David McCann | Post Production Supervisor |
| Joe Pender | Gaffer |
| Joseph C. Thornton | Assistant Editor |
| Bruce Pittman | Production Assistant |
