Scott Bakula NCIS Special Agent Dwayne Pride Actor Lucas Black NCIS Special Agent Christopher LaSalle Actor Vanessa Ferlito FBI Special Agent Tammy Gregorio Actor Rob Kerkovich Forensic Scientist Sebastian Lund Actor Daryl "Chill" Mitchell Investigative Computer Specialist Patton Plame Actor Shalita Grant Special Agent Sonja Percy Actor CCH Pounder Dr. Loretta Wade Actor J.R. Ramirez Jack Cooper Guest Star Melanie Nicholls-King Dr. Mandelbaum Guest Star Ryan Kessler Agent Conlin Guest Star Brandon Rush Agent Sluhan Guest Star Tom Day Marshal Buxton Guest Star Tiffany Jackson Nurse Guest Star Rachel Handler Molly Lindell Guest Star Mark Harmon Executive Producer Martha Haight Executive Producer Paul Guyot Writer Tessa Blake Director