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 Natalie Hall Chloe Miles Guest Star Mike Pniewski Beau Lasalle Guest Star Eric Morris LT. Commander Nolan Willis Guest Star Alexander Biglane P.O. Sam Segar Guest Star Magnolia Núñez NOPD Officer Guest Star Mark Harmon Executive Producer Martha Haight Executive Producer Brooke Roberts Writer Mary Lou Belli Director