Trailer
Images
 | John Cassavetes as Dr. Sam Cordell |
 | John Ireland as Hank Walden |
 | Helen Hughes as Agatha Galen |
 | Kerrie Keane as Laura Kincaid |
 | Erin Noble as Jenny Cordell |
| Duncan McIntosh as Tim Galen |
 | Harvey Atkin as Joe Prescott |
 | Harry Ditson as Lt. Drivas |
 | Mitch Martin as Mandy Pullman |
 | Matt Birman as Roy Seeley |
| Beverly Cooper as Pru Keaton |
| Brian Young as Charlie Prescott |
| Barbara Franklin as Mrs. Pullman |
 | Neil Dainard as Ernie Barnes |
 | Jennifer Leak as Deena Ferrin |
| Denise Fergusson as Carolyn Davies |
 | Helene Udy as Sally Harper |
| Michelle Davros as Jane Barnes |
| Mary Pirie as Marge (uncredited) |
 | Bruce Dickinson as Samson Lead Singer (uncredited) |
| Production | |
| Deirdre Bowen | Casting |
Sound | |
| Stanley Myers | Music |
Art | |
| Hilton Rosemarin | Set Decoration |
Production | |
| Stephen J. Friedman | Executive Producer |
Art | |
| Susan Longmire | Art Direction |
Production | |
| Mary Kahn | Production Manager |
Directing | |
| Louise Casselman | Assistant Director |
Costume & Make-Up | |
| James Kielev | Hairstylist |
Production | |
| John M. Eckert | Producer |
Editing | |
| George Appleby | Editor |
Production | |
| Clare Walker | Casting |
Art | |
| Elinor Fairless Hawksley | Art Direction |
| Edwin Watkins | Production Design |
Costume & Make-Up | |
| Katherine Southern | Makeup Supervisor |
Production | |
| Marc Boyman | Producer |
Costume & Make-Up | |
| Maureen Sweeney | Special Effects Makeup Artist |
Camera | |
| Albert J. Dunk | Director of Photography |
Directing | |
| Robert Wertheimer | Assistant Director |
Writing | |
| George Franklin | Screenplay |
| Ray Russell | Novel |
Directing | |
| John Hough | Director |
| David Hood | First Assistant Director |
Writing | |
| John Cassavetes | Screenplay |
Art | |
| Drew Struzan | Art Designer |
