- Christian Slater
- Â Edward Albright / ... 9 episodes, 2008
- Mike O'Malley
- Â Raymond Carter / ... 9 episodes, 2008
- Saffron Burrows
- Â Dr. Norah Skinner 9 episodes, 2008
- Mädchen Amick
- Â Angelica 'Angie' Spivey 9 episodes, 2008
- Alfre Woodard
- Â Mavis Heller / ... 9 episodes, 2008
- Omid Abtahi
- Â Tony Nazari 9 episodes, 2008
- Taylor Lautner
- Â Jack Spivey 7 episodes, 2008
- Bella Thorne
- Â Ruthy Spivey 6 episodes, 2008
- James Cromwell
- Â Alistair Trumbull 6 episodes, 2008
- Mindy Sterling
- Â Arlene Scott 5 episodes, 2008
- Missy Yager
- Â Mary Grady 5 episodes, 2008
- Rade Serbedzija
- Â Yuri Volkalov 2 episodes, 2008
- Eugenia Yuan
- Â Theresa Chu 2 episodes, 2008
- Louis Giambalvo
- Â Proctor / ... 2 episodes, 2008
- Delaina Hlavin
- Â Henry's Mom / ... 1 episode, 2008
- Brent McGregor
- Â Tom Grady Jr. 1 episode, 2008
- Patrick Bauchau
- Â Zelloff 1 episode, 2008
- Jamie McShane
- Â Daniel Shaw 1 episode, 2008
- Marin Hinkle
- Â Elizabeth Q 1 episode, 2008
- Isabella Hofmann
- Â Mariam Shefer 1 episode, 2008
- Julio Oscar Mechoso
- Â Gael 1 episode, 2008
- Sarai Givaty
- Â Female Russian Agent 1 episode, 2008
- John Heard
- Â Peter 1 episode, 2008
- Michelle Krusiec
- Â Ellen / ... 1 episode, 2008
- Kirk B.R. Woller
- Â David 1 episode, 2008
- Mark Ivanir
- Â Uzi Kafelnikof 1 episode, 2008
- James C. Burns
- Â Victor Albright 1 episode, 2008
- Don Wallace
- Â Samibi 1 episode, 2008
- Brian Scannell
- Â Greene 1 episode, 2008
- Michael Raynor
- Â Serik Shefer 1 episode, 2008
- Justin Henry
- Â Dr. Rafe Castle 1 episode, 2008
- Michael O'Neill
- Â Alexander DeSantos 1 episode, 2008
- Pasha D. Lychnikoff
- Â Nikolai Yelnikov 1 episode, 2008
- Paul Greene
- Â Rick 1 episode, 2008
- Tim Kelleher
- Â FBI Agent Banks 1 episode, 2008
- Shane Conrad
- Â Jimmy Larkin 1 episode, 2008
- Dimitri Diatchenko
- Â Gold Teeth 1 episode, 2008
- Laurie Okin
- Â Katherine Albright 1 episode, 2008
- Bill Duke
- Â Serge Khabako 1 episode, 2008
- Konstantin Lavysh
- Â Interrogator #2 1 episode, 2008
- Arthur Darbinyan
- Â Vladimir 1 episode, 2008
- Mike Gomez
- Â Hector Anthony Garza 1 episode, 2008
- David Campbell
- Â Client #2 1 episode, 2008
- Amber Lancaster
- Â Natalia 1 episode, 2008
- John Prosky
- Â Lance Dietrich 1 episode, 2008
- Fernando Chien
- Â ND Man 1 episode, 2008
- Mark Colson
- Â Second Prisoner 1 episode, 2008
- Hector Atreyu Ruiz
- Â Carlos 'Carlito' Mendez 1 episode, 2008
- Gillian Shure
- Â Bartender 1 episode, 2008
- William De Vital
- Â KGB Guard 1 episode, 2008
- Danny Arroyo
- Â Bell Hop 1 episode, 2008
- Josh Cruze
- Â Bellman 1 episode, 2008
- Lisa Donahey
- Â Fanny Pack Lady 1 episode, 2008
- Kiyano La'vin
- Â Smoker 1 episode, 2008
- Krisztian Kery
- Â Guard #1 1 episode, 2008
- Joel Huggins
- Â Janus Tech #1 1 episode, 2008
- Stephen Howard
- Â Archie 1 episode, 2008
- Floriana Lima
- Â Female Janus Tech 1 episode, 2008
- Natasha Alam
- Â Stewardess 1 episode, 2008
- Ilia Volok
- Â Sniper 1 episode, 2008
- Reggie De Leon
- Â Delivery Man 1 episode, 2008
- Juan Garcia
- Â Doctor 1 episode, 2008
- Matt Shallenberger
- Â Janus Tech #2 1 episode, 2008
- Bradley James
- Â General Keats 1 episode, 2008
- Jackie Cruz
- Â Mendez's Girlfriend 1 episode, 2008
- Jimmy Ortega
- Â Garcia Soldier 1 episode, 2008
- George Fisher
- Â Ivan Kosygin 1 episode, 2008
- Tricia Munford
- Â Teacher 1 episode, 2008
- Wanda-Lee Evans
- Â Nurse 1 episode, 2008
- Kwabena Darkwah
- Â Guerilla 1 episode, 2008
- Elizabeth Greer
- Â Female Hostage 1 episode, 2008
- Dawn Lewis
- Â Melissa 1 episode, 2008
- Kelly McCracken
- Â Chief of Staff 1 episode, 2008
- Mario Cassem
- Â Kid 1 episode, 2008
- Sammy Sheik
- Â Server 1 episode, 2008
- Robert Romanus
- Â Sullivan 1 episode, 2008
- Michael David Cheng
- Â Beijing Guard #1 1 episode, 2008
- Jermaine Jackson
- Â Tall Guard 1 episode, 2008
- Trenton Rogers
- Â Young Boy 1 episode, 2008
- Ronn Surels
- Â Sparring Partner 1 episode, 2008
- Oren Dayan
- Â Armed Man 1 episode, 2008
- Cierra Ramirez
- Â Ruthy Spivey 1 episode, 2008
- David Mendenhall
- Â Paul Wallace 1 episode, 2008
- E.R. Ruiz
- Â Garcia 1 episode, 2008
- Roman Mitichyan
- Â Russian Driver 1 episode, 2008
- Rene Napoli
- Â Insurance Agent 1 episode, 2008
- James Gregory Capps
- Â KGB Agent Spy 1 episode, 2008
- Kevin D'Arcy
- Â Mark Graser 1 episode, 2008
- Tony Wayne
- Â Angie's X-Boyfriend 1 episode, 2008
- Cameron Protzman
- Â Hannah Grady (uncredited) 1 episode, 2008
- Matthew R. Staley
- Â Assassin (uncredited) 1 episode, 2008
- Karina Michel
- Â Yuri Supermodel (uncredited) 1 episode, 2008
- Jeanine Giovanni
- Â David's Wife (uncredited) 1 episode, 2008
- Bob Ross
- Â Fight Observer (uncredited) 1 episode, 2008
- Jeff Brockton
- Â Guard #1 (uncredited) 1 episode, 2008
- Arne Starr
- Â Party Guest (uncredited) 1 episode, 2008
- Susanna Harter
- Â Danica Hanson (uncredited) 1 episode, 2008
- Gianni Biasetti Sr.
- Â Henchman #1 (uncredited) 1 episode, 2008
- Chris Nightingale
- Â Football Player (uncredited) 1 episode, 2008
- Michael A. Templeton
- Â Desantos Parent (uncredited) 1 episode, 2008
- Nick Wall
- Â Moroccan Tourist (uncredited) 1 episode, 2008
- Matthew L. Sobel
- Â Strip Club Patron (uncredited) 1 episode, 2008
- Ryan Adkisson
- Â David's Son (uncredited) 1 episode, 2008
- Erica Ferlito
- Â AJ Sun Employee (uncredited) 1 episode, 2008
- Roy Hausmann
- Â Russian Agent (uncredited) 1 episode, 2008
- Derrick Bishop
- Â Stanley Martin (uncredited) 1 episode, 2008