Mark Harmon NCIS Special Agent Leroy Jethro Gibbs Actor Michael Weatherly NCIS Special Agent Anthony "Tony" Dinozzo Actor Cote de Pablo NCIS Special Agent Ziva David Actor Pauley Perrette Forensic Specialist Abby Sciuto Actor Sean Murray NCIS Special Agent Timothy McGee Actor Lauren Holly NCIS Director Jenny Shepard Actor David McCallum Dr. Donald "Ducky" Mallard Actor Brian Dietzen Jimmy Palmer Guest Star Titus Welliver Navy Capt. Roger Walsh Guest Star Robin Thomas Dr. Neil Fleming Guest Star Susan Kelechi Watson NCIS Intel Analyst Nikki Jardine Guest Star Alaina Huffman Dana Arnett Guest Star Adam Huss Lt Michael Arnett Guest Star John Vickery Interpol Inspector Hugh Benson Guest Star Mark Matkevich Jake Guest Star Deanna Russo Ashley Guest Star Edward Conna Metro Police Sgt. Frank Thompson Guest Star Kimberly Atkinson NCIS Special Agent Roberta Wells Guest Star Donald P. Bellisario Executive Producer Dennis Smith Director George Schenck Writer Frank Cardea Writer