| cast |
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| Series Regulars | |||
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| LL Cool J | LL Cool J as Special Agent Sam Hanna | Linda Hunt | Linda Hunt as Henrietta "Hetty" Lange |
| Daniela Ruah | Daniela Ruah as Special Agent Kensi Blye | Chris O'Donnell | Chris O'Donnell as Special Agent G. Callen |
| Barrett Foa | Barrett Foa as Eric Beale | Eric Christian Olsen | Eric Christian Olsen as Marty Deeks |
| Peter Cambor | Peter Cambor as Nate "Doc" Getz | Renée Felice Smith | Renée Felice Smith as Nell Jones |
| Adam Jamal Craig | Adam Jamal Craig as Dominic Vail | Rocky Carroll | Rocky Carroll as NCIS Director Leon Vance |
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| Recurring & Guests | |||
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| Claire Forlani | Claire Forlani as Lauren Hunter | | |