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 Rocky Carroll NCIS Director Leon Vance Actor David McCallum Dr. Donald "Ducky" Mallard Actor Roma Maffia NCIS Special Agent Vera Strickland Guest Star Wade Williams Larry Purcell Guest Star Teri Reeves Navy Lt. jg. Dana Robbins Guest Star Barbara Eve Harris FAA Director Stacy Bergin Guest Star Wole Parks Navy Captain Guest Star Robert Newman Adm. Wayne Hargrove Guest Star Scott Waara Mel Frazier Guest Star Jonathan Patrick Moore Kip Logan Guest Star Will Harris Murray Hines Guest Star Lou George Building Manager Guest Star Andrea Bordeaux Courtney Guest Star Tyler Wolfe Navy Lt. jg. Terence Keith Guest Star Christian Gehring Metro Police Officer Owen Tamblin Guest Star Gary Glasberg Executive Producer Chas. Floyd Johnson Executive Producer Mark Horowitz Executive Producer Shane Brennan Executive Producer Donald P. Bellisario Executive Producer George Schenck Writer Frank Cardea Writer Dennis Smith Director