| Sgt. Michael Stonebridge? (25 episodes 2011-2013) | 菲利普·温彻斯特
 | |
| Sgt. Damien Scott? (25 episodes 2011-2013) | 苏利文·斯坦普莱顿
 | |
| John Porter? (8 episodes 2010-2011) | 理查德·阿米塔格
 | |
| Sgt. Julia Richmond? (21 episodes 2011-2013) | Michelle Lukes | |
| Maj. Oliver Sinclair? (17 episodes 2011-2012) | Rhashan Stone | |
| Maj. Rachel Dalton? (13 episodes 2012-2013) | 罗娜·迈特拉
 | |
| Sgt Liam Baxter? (11 episodes 2012-2013) | Liam Garrigan | |
| Col. Eleanor Grant (10 episodes 2011) | Amanda Mealing | |
| Conrad Knox (10 episodes 2012) | 查里斯·丹斯
 | |
| Karl Matlock (10 episodes 2012) | 文森特·里根
 | |
| Craig Hanson (10 episodes 2012) | 施恩·泰勒
 | |
| Latif? (8 episodes 2011) | 吉米·米斯特雷
 | |
| Jessica Kohl (8 episodes 2012) | Natalie Becker | |
| Kerry Stonebridge (7 episodes 2011-2012) | Alexandra Moen | |
| Arkady? (7 episodes 2013) | 马塞尔·尤勒斯
 | |
| Hugh Collinson (6 episodes 2010) | 安德鲁·林肯
 | |
| Layla Thompson (6 episodes 2010) | 乔迪·梅
 | |
| Danni Prendiville? (6 episodes 2010) | 舍利·考恩
 | |
| Capt. Kate Marshall (6 episodes 2011) | Eva Birthistle | |
| Christy Bryant (6 episodes 2012) | Stephanie Vogt | |
| James Middleton? (4 episodes 2010) | 科林·萨尔蒙 | |
