Guest Stars Brian Dietzen as Assistant Medical Examiner Dr. Jimmy Palmer Susan Kelechi Watson as NCIS Intel Analyst Nikki Jardine Deanna Russo as Ashley Titus Welliver as Navy Capt. Roger Walsh Robin Thomas as Dr. Neil Fleming Alaina Huffman as Dana Arnett Adam Huss as Navy Seal Lt. Michael Arnett John Vickery as Interpol Inspector Hugh Benson Mark Matkevich as Jake Co Starring Kimberly Atkinson as NCIS Special Agent Roberta Wells Edward Conna as Metro Police Srgt. Frank Thompson