| 角色 | 饰演者介绍 |
| Pete Lattimer? (59 episodes 2009-2013) | 艾迪·麦克科林托克 |
| Myka Bering? (59 episodes 2009-2013) | 乔安妮·凯莉 |
| Artie Nielsen? (59 episodes 2009-2013) | 绍尔·鲁宾内克 |
| Claudia Donovan? (55 episodes 2009-2013) | 艾莉森·斯卡里奥缇 |
| Leena (52 episodes 2009-2013) | Genelle Williams |
| Steve Jinks? (30 episodes 2011-2013) | 艾伦·阿什莫 |
| Mrs. Irene Frederic (25 episodes 2009-2013) | 希·庞德  |
| H.G. Wells (14 episodes 2010-2013) | 吉米·莫瑞 |
| Daniel Dickenson (13 episodes 2009-2010) | 西蒙·雷诺兹 |
| Adwin Kosan (11 episodes 2010-2013) | Faran Tahir |
| Marcus Diamond (8 episodes 2011-2013) | 萨沙·罗伊茨 |
| James MacPherson (7 episodes 2009-2013) | 罗杰·里斯 |
| Brother Adrian (6 episodes 2012) | Brent Spiner |
| Jane Lattimer (6 episodes 2011-2013) | 凯特·穆格鲁 |
| Dr. Kelly Hernandez (5 episodes 2010) | 鲍拉·加茜丝 |
| Abigail Chow? (5 episodes 2013) | 胡凯莉 |
| Dr. Vanessa Calder (5 episodes 2010-2013) | 琳赛·瓦格纳 |
| Joshua Donovan? (5 episodes 2009-2012) | 泰勒·海涅斯 |
| Mrs. Frederic's Bodyguard? (5 episodes 2009-2010) | Jung-Yul Kim |
| Charlotte Dupres (4 episodes 2013) | 波利·沃克 |
| Walter Sykes (4 episodes 2011-2012) | 安东尼·迈克尔·豪尔 |
