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 Lisa Banes Ambassador Olivia Edmunds Guest Star Kathe E. Mazur Vice Adm. Dawn Tyson Guest Star A Martinez Tomas Orlando Guest Star Arturo Del Puerto Edward "Collarbone" Rosario Guest Star Dan Thiel SEAL Team Commander Joe Hankos Guest Star Stephanie Fantauzzi Lolita Guest Star Roxana Ortega Dr. Susanna Soto Guest Star Ryan Carlberg Navy Petty Officer 1st Class John Goode Guest Star Theresa June-Tao Chrissy Guest Star Samantha Cope Heather Guest Star Andrew Bongiorno Navy Lt. Louis Freston Guest Star Gary Glasberg Executive Producer Chas. Floyd Johnson Executive Producer Mark Horowitz Executive Producer Shane Brennan Executive Producer Donald P. Bellisario Executive Producer Steven D. Binder Writer Thomas J. Wright Director