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 Christine Woods Guest Star Debra Monk Guest Star Jim Beaver Guest Star James Black Guest Star Cliff Chamberlain Guest Star David Kallaway Guest Star Joshua Whites Guest Star Tenea Intriago Guest Star Ron Flagge Guest Star Breana Turner Guest Star Steven A.D. Taylor Guest Star Mark Harmon Executive Producer Martha Haight Executive Producer Zach Strauss Writer Michael Zinberg Director