 | Terry O'Quinn als Dr. Gene Clifford / Jerry Blake |
 | Meg Foster als Carol Grayland |
 | Caroline Williams als Matty Crimmins |
 | Jonathan Brandis als Todd Grayland |
 | Henry Brown als Dr. Joseph Danvers |
 | Mitchell Laurance als Phil Grayland |
 | Miriam Byrd-Nethery als Sally Jenkins |
| Leon Martell als Walt 'Smitty' Smith |
| Renata Scott als Betty Willis |
 | John O'Leary als Sam Watkins |
| Glen Adams als Salesman |
 | Eric Brown als Hotel Attendant |
 | Shelley Hack als Susan (archive footage) (uncredited) |
| Rosemary Welden als Video Date (uncredited) |
| Bob Gray als Choir Singer (uncredited) |
 | Bob Eubanks als TV Television Host (uncredited) |
| Carolyn Lefcourt | Characters |
| Donald E. Westlake | Characters |
| Carol Lampman | Executive Producer |
| Jim Manzie | Original Music Composer |
| Byrnadette DiSanto | Production Design |
| William Burr | Producer |
| John Auerbach | Writer |
| Jacek Laskus | Director of Photography |
| Aram Allan | Art Direction |
| Darin Scott | Producer |
| Pat Regan | Original Music Composer |
| Pasquale Buba | Editor |
| Michèle Burke | Makeup Effects |
| Jeff Burr | Director |
| Brian Garfield | Characters |
| Christena Alcorn | Script Supervisor |
| John Forrest Niss | Post Production Supervisor |
| Julie Carnahan | Costume Design |
| Llewellyn Wells | Production Manager |
| Jill Salomon | Location Manager |
| Rosemary Welden | Casting |
| Monica Melvin-Fratkin | Production Coordinator |
| Johnna Butler | Set Decoration |
| Eric Brown | Second Unit |
| Dennis A. Brown | Executive In Charge Of Production |
| Jan Ervin | First Assistant Director |
| Robert Loeser | Second Assistant Director |
| Rafael Orozco | Second Second Assistant Director |
| Joan Cunningham | Second Second Assistant Director |
| Dominic Wymark | Set Dresser |
| Robert Campbell | Scenic Artist |
| Diane Heller | Storyboard Artist |
| Blanche Sindelar | Property Master |
| George Edman | Props |
| Steve Housewright | Assistant Location Manager |
| Scott Browner | First Assistant Camera |
| Bill Zullo | Second Assistant Camera |
| Paul V. Ferrazzi | Camera Intern |
| Mark Shane Davis | Key Grip |
| Tony Mazzucchi | Best Boy Grip |
| Robert J. Studenny | Dolly Grip |
| Levon Besnelian | Grip |
| Gregory J. Cody | Grip |
| Kevin Erb | Grip |
| Bruce McCleery | Gaffer |
| Huston Beaumont | Best Boy Electric |
| Joseph P. Clem | Electrician |
| Paul Hauser | Electrician |
| Michael S. Hennessy | Electrician |
| Scott Lieu | Electrician |
| Michael Sudmeier | Electrician |
| David Brownlow | Sound Mixer |
| Rob Scott | Boom Operator |
| Jemma Scarisbrick | Wardrobe Assistant |
| Susan Mills | Key Makeup Artist |
| Susan Mills | Key Hair Stylist |
| Beatrice De Alba | Makeup & Hair Assistant |
| N. Kristine Chadwick | Makeup & Hair Assistant |
| Michèle Burke | Special Effects Makeup Artist |
| Bernard Fallon | Still Photographer |
| John Blue | Craft Service |
| Ben Montanio | Production Controller |
| Andi Allison Wooten | Production Accountant |
| Karen Chalk Wheeler | Assistant Accountant |
| Mick Dalrymple | Assistant Accountant |
| Laureen Scharps | Assistant Production Coordinator |
| Jennifer Campbell | Assistant Production Coordinator |
| Carolyn Long | Casting Coordinator |
| Megan Day | Casting Assistant |
| A. Welch Lambeth | Transportation Coordinator |
| Neil Hyman | Transportation Captain |
| Lynn Raines | Studio Teacher |
| Jan Marone | Studio Teacher |
| Kevin Meyer | Second Unit Director |
| Steve Schklair | Second Unit Director of Photography |
| Martin Schaer | Second Unit Director of Photography |
| Michael Philip | Assistant Editor |
| Joanne Chee | Post Production Coordinator |
| Bruce Stubblefield | Supervising Sound Editor |
| Earl Watson | Sound Editor |
| James Bryan | Sound Editor |
| Ted Johnston | Sound Editor |
| Rachel Shaw | Assistant Sound Editor |
| Arthur Leigh | Music Editor |
| Jay M. Harding | Sound Re-Recording Mixer |
| John J. Stephens | Sound Re-Recording Mixer |
| Bill Benten | Sound Re-Recording Mixer |
| George Borghi | Foley |
| Keith Olson | Foley |
| Christina Tucker | ADR Recordist |
| Jim J. Williams | Color Timer |
| Gary Jensen | Stunt Coordinator |
| Tracy Keehn-Dashnaw | Stunts |
| John Casino | Stunts |
