| 角色 | 饰演者 | 角色介绍 |
| Frances | Carly McKinnon | |
| Gregory Underwood | John Gordon Sinclair | |
| Headmaster | John Murtagh | |
| Douglas | Hugh McCue | |
| Fraser Rowan | 多格雷·斯科特 | |
| Dimitri | Martin Schwab | |
| Bel | 玛利亚·多耶·肯尼迪 | |
| Norman (teacher) | 亚历山大·马特恩 | |
| Courier | William Harkness | |
| Bus driver | Albert Coulson | |
| American executive | Paul Birchard | |
| Asian executive | Simon Huh | |
| Jan | 道恩·斯蒂尔 | |
| Jon | 凯文·安德森 | |
| Maddy Underwood | Fiona Bell | |
| Italian restauranteur | Constanzo Cacace | |
| Mr. McCance | 卡瑞·刘易斯 | |
| Headmaster's secretary | Anne Kidd | |
| Detective Gorrie | Matt Costello | |
| Detective Ritchie | Jane Stabler | |
| Assistant headmaster | Stewart Preston | |
| Joyce | Anne Marie Timoney | |
| Policeman | Dougie Robertson | |
| Deere (government official) | Jonathan Hackett | |
| Telfor (government official) | Bruce Byron | |
| Minicab driver | Steven Clelland | |
| Rowan's bodyguard | Marc Caraplet | |
| Rowan's bodyguard | Jim Creighton | |
| Bel's neighbour | Sadie Miller | |
| Rowan's van driver | Douglas Robertson | |
| Rowan's van driver | Michael O'Brien | |
| Greg's pupil | Karen Sinclair | |
| Greg's pupil | Amanda Malcolm | |
| Greg's pupil | Alex Reape | |
| Greg's pupil | Stephen Duguid |
