Leroy Jethro Gibbs
Special Agent Mike Franks
Special Agent Lala Dominguez
FOS Officer Mary Jo Hayes
Special Agent Vera Strickland
Special Agent Bernard 'Randy' Randolf
Older Leroy Jethro Gibbs (voice) (uncredited) / Older Leroy Jethro Gibbs (uncredited)
SAC Cliff Wheeler
Woodrow 'Woody' Browne
Tishmal 'Tish' Kwá'la
Gail Price
Richard Kowalski
Special Agent Granville Dawson
Dr. Lenora Friedman
Jackson Gibbs
JJ
Roger
Carl Loughlin
Dr. Témet Téngalkat / Dr. Tengalkat
Jamison 'Bugs' Boyd
Luke Fletcher
Smitty
Bouncer Todd
NIS Junior Chemist Philip Elertson
