Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor, Executive Producer Sean Murray NCIS Special Agent Timothy McGee Actor Emily Wickersham NCIS Special Agent Eleanor "Ellie" Bishop Actor Wilmer Valderrama NCIS Special Agent Nicholas "Nick" Torres Actor Maria Bello Special Agent Jacqueline "Jack" Sloane Actor Brian Dietzen Dr. Jimmy Palmer Actor Diona Reasonover Forensic Scientist Kasie Hines Actor Rocky Carroll NCIS Director Leon Vance Actor David McCallum Dr. Donald "Ducky" Mallard Actor Joe Spano Tobias "T.C." Fornell Guest Star Don Lake Navy Captain Phillip Brooks Guest Star Kate Orsini FBI Special Agent Isabel Monet Guest Star Emily Rose FBI Special Agent Anna Jenlowe Guest Star Rich Ceraulo North Carolina State Trooper Muncie Tyson Guest Star Amielynn Abellera Navy Lieutenant Kaitlyn Holcomb Guest Star Daryl C. Brown Navy Commander Lovinder Prasad Guest Star Bo Kane North Carolina State Trooper William Forman Guest Star Ian Gregory FAA Security Specialist Horace Barnes Guest Star Jill Czarnowski NCIS Tech Susan Ottsley Guest Star Chas. Floyd Johnson Executive Producer Mark Horowitz Executive Producer Frank Cardea Executive Producer George Schenck Executive Producer Steven D. Binder Executive Producer Scott Williams Executive Producer Donald P. Bellisario Executive Producer Christopher J. Waild Writer James Whitmore Jr. Director