A team of special agents investigate all crimes that are connected to the Navy and Marine Corps personnel.

Avec :
Mark Harmon (NCIS Special Agent Leroy Jethro Gibbs)
Michael Weatherly (Agent spécial Anthony «Tony» DiNozzo)
Pauley Perrette (Forensic Specialist Abby Sciuto)
David McCallum (Dr. Donald "Ducky" Mallard)
Cote de Pablo (NCIS Special Agent Ziva David)
Sean Murray (NCIS Special Agent Timothy McGee)
Rocky Carroll (NCIS Director Leon Vance)
Brian Dietzen (Jimmy Palmer)
Brian Dietzen (Jimmy Palmer)
Brian Dietzen (Medical Examiner Jimmy Palmer)
Emily Wickersham (NCIS Special Agent Eleanor "Ellie" Bishop)
Jennifer Esposito (Agente spéciale Alexandra «Alex» Quinn)
Duane Henry (MI6 Officer Clayton Reeves)
Wilmer Valderrama (NCIS Special Agent Nicholas "Nick" Torres)
Maria Bello (Special Agent Jacqueline "Jack" Sloane)
Diona Reasonover (Forensic Scientist Kasie Hines)
Gary Cole (FBI Special Agent Alden Parker)
Katrina Law (NCIS Special Agent Jessica Knight)