| 角色 | 饰演者 | 角色介绍 |
| John Morlar | 理查德·伯顿 | |
| Brunel | 利诺·文图拉 | |
| Doctor Zonfeld | 丽·莱米克 | |
| Assistant Commissioner | Harry Andrews | |
| Barrister | 艾兰·巴德尔 | |
| Patricia | 玛丽-克里斯汀·巴洛特 | |
| Edward Parrish | 杰瑞米·布雷特 | |
| Atropos | Michael Hordern | |
| Doctor Johnson | Gordon Jackson | |
| Duff | Michael Byrne | |
| Townley | 德里克·雅各比 | |
| Pennington | Robert Lang | |
| Mrs. Pennington | Avril Elgar | |
| Schoolmaster | John Normington | |
| Judge McKinley | Robert Flemyng | |
| Dean | Philip Stone | |
| Deacon | Malcolm Tierney | |
| Father | Norman Bird | |
| Mother | Jennifer Jayne | |
| Lovelass | James Hazeldine | |
| Receptionist | Wendy Gifford | |
| TV Space Reporter | Shaw Taylor | |
| TV Newscaster | Gordon Honeycombe | |
| Sergeant Hughes | Mark Jones | |
| Sergeant Robbins | Maurice O'Connell | |
| Nanny | Frances Tomelty | |
| Male Nurse | Brook Williams | |
| Senior Police Officer | Victor Winding | |
| Mounted Police Officer | Anthony Blackett | |
| Hospital Doctor | Denyse Alexander | |
| Police Constable | John Flanagan | |
| Police Doctor | Stanley Lebor | |
| Detective in Street | Ian Master | |
| Van Driver | George Innes | |
| Young Morlar | Cornelius Bowe | |
| 10 Year Old Morlar | Adam Bridges | |
| 14 Year Old Morlar | Joseph Clark | |
| Parsons | Earl Rhodes |
