- Caleb Foote - Special Agent Bernard Randolf
- Patrick Fischler - SAC Cliff Wheeler
- Julian Black Antelope - Dr. Témet Téngalkat
- Bobby Moynihan - Woodrow 'Woody' Browne
- Lori Petty - Dr. Lenora Friedman
- Tonantzin Carmelo - Tishmal 'Tish' Kwa'la
- Sully Díaz - Maria Perez
- Jared Bankens - Jamison 'Bugs' Boyd
- Derek Smith - S Sgt. Kevin Maloney
- Freedom Bridgewater - Sheriff Pete
- Dani Scott - Shannon Gibbs
- Jeannie Bolet - Angela Tan
- Ashley Dulaney - Jessica Maloney
- Ben Whitehair - Billy
- Daniel Roebuck - Artie
- Marisa Baram - Gail Price
- Mark Harmon - Older Leroy Jethro Gibbs (uncredited)
- Mark Harmon - Older Leroy Jethro Gibbs (voice) (uncredited)
- Aaron Wilton - JJ
- Eric Normington - Roger
- Matthew Henerson - Carl
- Michael Shepperd - Smitty
- Dollar Tan - Sam
- Joe Corzo - MP #1
- Eddie Alfano - Bouncer Todd
- Michael Harney - Kowalski
- Daniel Bellomy - Special Agent Granville Dawson
- Robert Taylor - Jackson Gibbs
- Raechel Wong - Nadine Taylor
- Betsy Landin - Melanie Hewitt
- Ted Jonas - Lead FBI Agent
- Rueben Grundy - NIS Agent #1
- Rey Goyos - Reporter #1
- Cheryl Tsai - Reporter #2
- Shireen Crutchfield - Reporter #3
- Mark Harmon
- Michele Greco
- Joanie L. Woehler
- Jason Kennedy
- David J. North
- Gina Lucita Monreal
- Sean Kiner
- Kevin Kiner
- Deana Kiner
Austin Stowell interpreta a Leroy Jethro Gibbs en la serie.
Kyle Schmid interpreta a Special Agent Mike Franks en la serie.
Mariel Molino interpreta a Special Agent Lala Dominguez en la serie.
Tyla Abercrumbie interpreta a FOS Officer Mary Jo Hayes en la serie.
Diany Rodriguez hace el papel de Special Agent Vera Strickland.
Capítulo disponible en las siguientes plataformas:
