| 角色 | 饰演者 | 角色介绍 |
| Professor Coupland | 杰瑞德·哈里斯 | |
| Brian McNeil | 山姆·克拉弗林 | |
| Jane Harper | 奥利维亚·库克 | |
| Kristina Dalton | 艾琳·理查德兹 | |
| Harry Abrams | 罗伊·弗莱克-拜仁 | |
| Phillip | Laurie Calvert | |
| Provost | Richard Cunningham | |
| (uncredited) | Gemma Garvin | |
| Asylum Attendant | Dean Mitchell | |
| Professor | Nick Owenford | |
| David Qs Mother | Tracy Ray | |
| Angry Neighbor | Eileen Nicholas | |
| Student #1 | Rebecca Scott | |
| Student #2 | Aretha Ayeh | |
| Student #3 | Max Mackintosh | |
| Student #4 | Harman Singh | |
| Doctor | Ben Holden |
