Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor Sasha Alexander NCIS Special Agent Caitlin Todd Actor Michael Weatherly NCIS Special Agent Anthony "Tony" Dinozzo Actor Pauley Perrette Forensic Specialist Abby Sciuto Actor David McCallum Dr. Donald "Ducky" Mallard Actor Tim Abell Petty Officer Jack D. Curtin Guest Star Al Sapienza Cmdr. Foley Guest Star Cristi Ellen Harris Vicki Spain Guest Star Archie Drury Rod Spain Guest Star Leon Russom Mr. Donaldson Guest Star Barbara Tarbuck Mrs. Donaldson Guest Star Cody Estes Kevin Curtin Guest Star Alicia Coppola Lt. Cmdr. Faith Coleman Guest Star Sean Murray NCIS Special Agent Timothy McGee Guest Star Tim Kelleher NCIS Special Agent Christopher Pacci Guest Star Roxana Zal Marie Foley Guest Star Randy Goodwin Diego Clare Guest Star Donald P. Bellisario Executive Producer Peter Ellis Director Thomas L. Moran Writer