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 Ismail Bashey Nabi Guest Star Wais Wardak Farokh Guest Star Michael Goldsmith Ben Mitchell Guest Star Javon Johnson NCIS Special Agent Eric Freeman Guest Star Sara Emami Darya Guest Star Sarah G. White Samantha Watkins a.k.a. Mom Guest Star Nima Jafari Tahir Guest Star Hedyeh Falsafi Yazmin's Mom Guest Star Ariana Elavia Yazmin Guest Star Manny Cartier Marine 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 Jill Weinberger Writer Terrence O'Hara Director