| Kate Orsini | Maclain | |
| Ian Abercrombie | Dr. Hess, Dr. Hess | |
| Sage Allen | Martha | |
| Stephen Blackehart | First Servant, First Servant | |
| Gordon Currie | Rick Myers, Rick Myers | |
| Jack Donner | Afzel, Afzel | |
| George 'Buck' Flower | Matthew, Matthew | |
| Josh Green | Robert 'Tank' Winsley, Robert 'Tank' Winsley | |
| Emily Harrison | Jane Magrew, Jane Magrew | |
| William Hickey | Andre Toulon , Andre Toulon | |
| Richard Lynch | Major Krauss, Major Krauss | |
| Guy Rolfe | Andre Toulon, Andre Toulon | |
| Greg Sestero | Younger Andre Toulon, Younger Andre Toulon | |
| Charlie Spradling | Wanda, Wanda | |
| Chandra West | Susie, Susie | |
| Jacob Witkin | Eric Weiss | |
| Brigitta Dau | Ilsa | |
| George Peck | Dr. Magrew |
