 | John Terry als John March |
 | Jane Sibbett als Claire Ward |
 | Chris Sarandon als Charles Dexter Ward / Joseph Curwen |
 | Robert Romanus als Lonnie Peck |
 | Laurie Briscoe als Holly Tender |
 | Ken Camroux-Taylor als Captain Ben Szandor |
| Patrick Pon als Raymond |
 | Bernard Cuffling als Dr. Waite |
 | Megan Leitch als Eliza |
 | Charles K. Pitts als Ezra Ward |
 | Philip Maurice Hayes als Uniform Cop |
 | Paul Jarrett als Town Father #1 |
| Eric Newton als Lucius Fenner |
 | Lee Matheson als Town Father #2 / Town Father |
| H.P. Lovecraft | Original Story |
| Dan O'Bannon | Director |
| Brent V. Friedman | Screenplay |
| Christine MacLean | Set Decoration |
| Shayne Sawyer | Co-Producer |
| Doug Byggdin | Art Direction |
| Tony Scotti | Executive Producer |
| Tom Bradshaw | Executive Producer |
| Irv Goodnoff | Director of Photography |
| Fiona Jackson | Casting |
| Richard Band | Original Music Composer |
| Mark Borde | Producer |
| Penny Ellers | Casting |
| Russell Livingstone | Editor |
| Marcella Mulder Robertson | Costume Design |
| Kenneth Raich | Producer |
| Brent Thomas | Production Design |
| Mark Corbeil | Script Supervisor |
| Paul Little Roy | Still Photographer |
| Barney Cabral | Supervising Sound Editor |
| Ane Christensen | Property Master |
| Norto Sepulveda | ADR Editor |
| Melissa R. Stubbs | Stunts |
| Rick Pearce | Stunts |
| Owen Walstrom | Stunts |
| Marc Akerstream | Stunts |
| Curt Bonn | Stunts |
| Mike Crestejo | Stunts |
| Scott J. Ateah | Stunt Coordinator |
| Bill Ferguson | Stunts |
| Bill Stewart | Stunts |
| Scott Nicholson | Stunts |
| David Moxness | Gaffer |
| Dave Gregory | Visual Effects Supervisor |
| Kenneth Raich | Second Unit Director |
| Morgan Beggs | Second Assistant Director |
