Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor, Executive Producer Michael Weatherly NCIS Special Agent Anthony "Tony" Dinozzo Actor Pauley Perrette Forensic Specialist Abby Sciuto Actor Sean Murray NCIS Special Agent Timothy McGee Actor Brian Dietzen Dr. Jimmy Palmer Actor Emily Wickersham Probationary NCIS Agent Eleanor "Ellie" Bishop Actor Rocky Carroll NCIS Director Leon Vance Actor David McCallum Dr. Donald "Ducky" Mallard Actor Jamie Bamber NSA Attorney Jake Malloy Guest Star Steve Harris Coach Tanner Guest Star Tanner Stine Young Anthony DiNozzo Guest Star Lennie Loftin Frederick Cantor Guest Star Brendan Patrick Connor Travis "Piggy" Phelps Guest Star Robert Adamson Lucas Craig Guest Star Cameron Jebo Drill Leader Golan Guest Star Phillip Fallon Young Travis Phelps Guest Star Gary Glasberg Executive Producer Chas. Floyd Johnson Executive Producer Mark Horowitz Executive Producer Shane Brennan Executive Producer Donald P. Bellisario Executive Producer Christopher Silber Writer Tony Wharmby Director