 | Campbell Scott als Dr. Karel Lamonte |
 | Fiona Loewi als Sandy Fawkes |
 | Tom Everett Scott als Guy Fawkes |
 | Nigel Bennett als Michel O'Shea |
 | Hardee T. Lineham als Officer Gayle |
 | James Allodi als Deputy Dana |
 | Bernard Behrens als Mayor Claire |
 | Elisa Moolecherry als Chris Marlowe |
 | Maggie Butterfield als Mrs. Shelley Bathgate |
 | Kathryn Kirkpatrick als Abby the Witch |
| John Paizs | Director |
| Lisa Martin | Costume Design |
| Kelly Groh | Assistant Art Director |
| Mark Kowalsky | Art Direction |
| Wayne Trickett | Visual Effects Supervisor |
| Tony V. Stevens | Dolby Consultant |
| Chris Irvine | Construction Coordinator |
| Ben Sharp | Second Unit Cinematographer |
| Charles Taylor | Armorer |
| John Sievert | Foley |
| Bill Wong Chung-Piu | Director of Photography |
| Odetta Stoddard | Set Decoration |
| Linda Callow | Choreographer |
| Bert Kish | Editor |
| Marsha Chesley | Casting |
| Doug Campbell | Digital Effects Supervisor |
| Sophie Giraud | Still Photographer |
| Tory Falkenberg | Gaffer |
| Karen McLachlan | Makeup Artist |
| Eve Battaglia | Casting |
| Jana Edelbaum | Producer |
| Cory Mandel | Sound Re-Recording Mixer |
| Ben Sharp | Gaffer |
| Laura DiMarcantonio | Assistant Costume Designer |
| Nora McPhail | Script Supervisor |
| Brock Jolliffe | Special Effects Supervisor |
| Michael Fylyshtan | Steadicam Operator |
| Michael Perlmutter | Music Supervisor |
| Suzanne L. Berger | Producer |
| Dan Sexton | Sound Effects Editor |
| David Krystal | Music |
| Rupert Lazarus | Production Design |
| Steve Foster | Sound Re-Recording Mixer |
| Phil Bedard | Writer |
| Larry LaFond | Writer |
| Brock Jolliffe | Special Effects |
| Joe Mancuso | Dialogue Editor |
