 | Kevin Bacon als Valentine McKee |
 | Fred Ward als Earl Bassett |
 | Finn Carter als Rhonda LeBeck |
 | Michael Gross als Burt Gummer |
 | Reba McEntire als Heather Gummer |
 | Victor Wong als Walter Chang |
 | Robert Jayne als Melvin Plug |
 | Ariana Richards als Mindy Sterngood |
 | Charlotte Stewart als Nancy Sterngood |
 | Tony Genaro als Miguel |
 | Richard Marcus als Nestor |
 | Bibi Besch als Megan - The Doctor's Wife |
 | Conrad Bachmann als Jim - The Doctor |
 | Sunshine Parker als Edgar |
 | Michael Dan Wagner als Old Fred |
 | John Pappas als Carmine - Roadworker |
 | John Goodwin als Howard - Roadworker |
 | Frank Welker als Graboids (uncredited) |
 | Tom Woodruff Jr. als Graboids (uncredited) |
| S.S. Wilson | Screenplay |
| O. Nicholas Brown | Editor |
| S.S. Wilson | Producer |
| Ron Underwood | Director |
| Brent Maddock | Screenplay |
| Gale Anne Hurd | Executive Producer |
| Brent Maddock | Producer |
| Alexander Gruszynski | Director of Photography |
| Ernest Troost | Original Music Composer |
| Susan Bierbaum | Script Supervisor |
| Stephen Hunter Flick | Supervising Sound Editor |
| Kevin O'Connell | Sound Re-Recording Mixer |
| Richard L. Anderson | Supervising Sound Editor |
| Greg P. Russell | Sound Re-Recording Mixer |
| Kathy Durning | Music Editor |
| Peter Iovino | Still Photographer |
| Derek Berlatsky | First Assistant Editor |
| Karen Sharp Lancaster | First Assistant Editor |
| Walt Martin | Production Sound Mixer |
| Jeffrey J. Haboush | Sound Re-Recording Mixer |
| Abigail Murray | Costume Design |
| Don Maskovich | Art Direction |
| Debra Combs | Set Decoration |
| Ivo Cristante | Production Design |
| Ralph Sall | Music Supervisor |
| Patricia Carlin | Music Editor |
| Ellen Collett | Associate Producer |
| Ginny Nugent | Line Producer |
| S.S. Wilson | Story |
| Brent Maddock | Story |
| Ron Underwood | Story |
| Pam Dixon | Casting |
| Annette E. Fabrizi | Hairstylist |
| Annette E. Fabrizi | Makeup Artist |
| Carla M. Fabrizi | Makeup Artist |
| Carla M. Fabrizi | Hairstylist |
| Lisa C. Cook | Production Manager |
| Nick Benson | Special Effects |
| Ken Tarallo | Special Effects |
| Tom Woodruff Jr. | Creature Design |
| Alec Gillis | Creature Design |
| Mike Topoozian | First Assistant Director |
| Joe Camp III | Second Assistant Director |
| Ruth Honegger | Assistant Set Decoration |
| Gary Jensen | Stunt Coordinator |
| S.S. Wilson | Second Unit Director |
| Tracy Keehn-Dashnaw | Stunts |
| Jeff Imada | Stunts |
| Lance Gilbert | Stunts |
| Mike Malone | Set Dresser |
| Glory Fioramonti | Stunts |
| John Casino | Stunts |
