| G. Callen? (49 episodes 2009-2011) | 克里斯·奥唐纳
 | |
| Sam Hanna? (49 episodes 2009-2011) | 里·库尔·J
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| Henrietta 'Hetty' Lange (49 episodes 2009-2011) | 琳达·亨特
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| Kensi Blye? (49 episodes 2009-2011) | 丹妮拉·鲁阿
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| Eric Beal? (49 episodes 2009-2011) | Barrett Foa
 | |
| Marty Deeks? (27 episodes 2010-2011) | 艾瑞克·克里斯蒂安·奥森
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| Leon Vance (8 episodes 2009-2011) | 洛奇·卡罗尔
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| Nate Getz? (28 episodes 2009-2011) | Peter Cambor | |
| Dominic Vail (13 episodes 2009-2010) | Adam Jamal Craig | |
| Jim Rivers (2 episodes 2009) | Rob Evors | |
| Nell Jones? (22 episodes 2010-2011) | Renée Felice Smith | |
| Mowahd 'Moe' Dusa? (4 episodes 2010-2011) | Ron Auguste | |
| Special Agent Mike Renko? (3 episodes 2009-2010) | Brian Avers | |
| Rose? (3 episodes 2009-2011) | Kathleen Rose Perkins | |
| Lauren Hunter? (3 episodes 2011) | 克莱尔·弗兰妮
 | |
| Mattias (2 episodes 2010) | 尤尔根·普洛斯诺
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| Man (2 episodes 2010) | 丹尼尔·休·凯利
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| Abby Sciuto (2 episodes 2009) | 宝蕾·佩雷特
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| Abdul Habassa (2 episodes 2011) | Hakeem Kae-Kazim
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| Ty (2 episodes 2010) | 派瑞·申
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| Dallas (2 episodes 2010) | JR·波恩
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| Bastion Cole? (2 episodes 2010) | 雷蒙德·J·巴里 | |
