| David Duchovny | Fox Mulder |
| Gillian Anderson | Dana Scully |
| Mitch Pileggi | Walter Skinner |
| Daniel von Bargen | Jacob Steven Haley |
| Michael MacRae | August Bremer |
| Sam Anderson | Leamus |
| J.B. Bivens | Field Agent |
| Douglas Arthurs | Skin-Head Man
(as Douglas H. Arthurs) |
| John B. Lowe | Dr. Leavitt |
| Ralph Alderman | Manager |
| Dean McKenzie | Army Tech |
| Kate Braidwood | Usherette |
| Armin Moattar | Goatee Man |
| Jeffrey J. Ayers | FBI Agent
(uncredited) |
| Zoltan Buday | Terrorist in Frankenstein Mask
(uncredited) |
| Brian Drummond | Teller
(uncredited) |
| Trevor Roald | Martin
(uncredited) |
| Michael St. John Smith | The CIA Operative
(uncredited) |
| Don Thompson | Terrorist In Ghoul Mask
(uncredited) |
| Birkett Turton | Brit
(uncredited) |
| Marek Wiedman | Bank Manager
(uncredited) |