Elyes Gabel
Walter O'Brien (22 eps)
Jadyn Wong
Happy Quinn (22 eps)
Katharine McPhee
Paige Dineen (22 eps)
Eddie Kaye Thomas
Toby Curtis (22 eps)
Ari Stidham
Sylvester Dodd (22 eps)
Riley B. Smith
Ralph Dineen (22 eps)
Robert Patrick
Agent Cabe Gallo (22 eps)
David Fabrizio
Merrick (7 eps)
Brendan Hines
Drew (7 eps)
Camille Guaty
Megan O'Brien (5 eps)
Glenn Keogh
Sean O'Brien (3 eps)
Andy Buckley
Richard Elia (3 eps)
Daniel Zolghadri
Young Walter O'Brien (3 eps)
Carla Toutz
Walter's Mom (2 eps)
Anthony Skordi
Nemos (2 eps)
Emily Robinson
Young Megan O'Brien (2 eps)
Kelley Jakle
Janice Keller (2 eps)
Rick Garcia
Reporter #4 (2 eps)
Julie Lancaster
Principal Pastorneck (2 eps)
John R. Rivera
Thug (2 eps)
Jamie McShane
Patrick Quinn (2 eps)
Linda Hunt
Hetty Lange (1 eps)
Shohreh Aghdashloo
Dr. Cassandra Davis (1 eps)
Raphael Sbarge
Curator Paulson (1 eps)
Amber Friendly
Special Agent Elise Carey (1 eps)
Lissa Pallo
Museum Guard (1 eps)
Mykelti Williamson
General Walker (1 eps)
Julia Kelly
Beach Girl (1 eps)
Jonathan S. Grady
TAC Team Leader (1 eps)
Joel Gretsch
Governor Lane (1 eps)
Stuart McLean
Mr. Creevy (1 eps)
Andy T. Tran
Jonah (1 eps)
Bryan Krasner
Jed Hausler (1 eps)
Erick Avari
Richter (1 eps)
Emma Fassler
Richter's Assistant (1 eps)
Keith David
Warden (1 eps)
Zoran Korach
Slavomir (1 eps)
Lochlyn Munro
Detective Jim Archer (1 eps)
Kid Cudi
Peyton Temple (1 eps)
Con Schell
Dustin McBride (1 eps)
Matt Gerald
Owen Sugar (1 eps)
Jamal Duff
Henchman (1 eps)
Rocky Marquette
Percy Tate (1 eps)
Robert Smythe
Teenage Walter (1 eps)
Brennan Feonix
Swat Leader (1 eps)
Josh Keaton
Phil Daniels (1 eps)
Daniel Phai
Mansion Guard (1 eps)
Mike Powers
Jacques Labeaux (1 eps)
Gisela Kovach
Mrs. Mueller (1 eps)
Wyatt Oleff
Owen Cooper (1 eps)
Nazneen Contractor
Sima (1 eps)
Mackenzie Astin
Leonard (1 eps)
James Black
Agent Miller (1 eps)
Jennifer Lee
Agent Marchand (1 eps)
Chris Yule
USC Fan #1 (1 eps)
David James Elliott
Bruce (1 eps)
Navid Negahban
Agent Khara (1 eps)
Omid Zader
Gadhi (1 eps)
Thai Douglas
Doctor (1 eps)
Monique Barajas
Nurse (1 eps)
Grinnell Morris
Man (1 eps)
Aaron Krebs
Hospital Tech (1 eps)
Chad Davis
EMT #1 (1 eps)
Catherine Kamei
Doc #1 (1 eps)
Ray Stefanelli
Agent #1 (1 eps)
Jake Regal
Randy (1 eps)
Alimi Ballard
Co-Pilot (1 eps)
Patrick St. Esprit
Captain James Pike (1 eps)
Ernie Hudson
Brooks (1 eps)
Jack Guzman
Team Leader (1 eps)
Stevin Knight
Thug #1 (1 eps)
David Burr
Gordon Tooley (1 eps)
Desean Terry
Agent Bates (1 eps)
Sean Patrick Murphy
Agent #2 (1 eps)
Martin Thompson
Tower Chief (1 eps)
Glenn Plummer
Agent Thomas Keeler (1 eps)
Carlos Sanz
Commander (1 eps)
Steven Allerick
Terrorist Marine (1 eps)
Joseph Baird
Bomb Squad Sergeant (1 eps)
Michael Boucherie
Maintenance Guy (1 eps)
Gina St. John
Newscaster (1 eps)
Jake Matthews
Bartender (1 eps)
Justin Rupple
Jerry Dowdell (1 eps)
Corbin Bernsen
Bob Connelly (1 eps)
Alicia Lagano
Renee Connelly (1 eps)
Chris Mulkey
Ronny (1 eps)
José Zúñiga
Lou Rake (1 eps)
Sandra Cevallos
Judge Stone (1 eps)
Carol Herman
Casino Woman (1 eps)
Carl McDowell
Grungy Criminal (1 eps)
Derrick L. McMillon
Officer Waynecroft (1 eps)
Heather McPhaul
Meter Maid (1 eps)
Wilson Ramirez
(Un) Masked Man (1 eps)
Dominique Razon
Concierge (1 eps)
Jay Sincere
Security Officer (1 eps)
Nick Gracer
Thug #1 (1 eps)
Vladimir Tevlovski
Thug #2 (1 eps)
Method Man
Lucky the King (1 eps)
Jessica Tuck
Rebecca (1 eps)
Orestes Arcuni
Darby (1 eps)
Kevin Fry
Man in Suit (1 eps)
John Burke
Gostin (1 eps)
Gary Kraus
Officer Draper (1 eps)
Nicola Lambo
Reporter (1 eps)
Anthony Molinari
Anthony Cole (1 eps)
Austin Priester
Startled Driver (1 eps)
Jake McLaughlin
LT James Corbin (1 eps)
Peter Jason
General Talbertse (1 eps)
Michael Klesic
Igor (1 eps)
Devan Chandler Long
Max (1 eps)
Christine Garver
Rosa Barrios (1 eps)
Jason Hastings
Simon (1 eps)
Kamal Jones
Luke (1 eps)
Ace Marrero
Javier Barrios (1 eps)
Michael Sun Lee
Officer Brown (1 eps)
Karolina Wydra
Agent Simone Taylor (1 eps)
Ronnie Gene Blevins
Dirty John Tucker (1 eps)
Kristen Ariza
Doctor (1 eps)
Casey Adams
L.A. Cop #2 (1 eps)
Jeffery A. Baker
Floor Manager (1 eps)
John Barbolla
Hospital Security Guard (1 eps)
Leith M. Burke
Surgeon (1 eps)
Josh Clark
Supervisor Elkins (1 eps)
Celeste Creel
Nurse #1 (1 eps)
Frank Crim
Foreman (1 eps)
Collin Hymes
Partner (1 eps)
Andres Perez-Molina
L.A. Cop #1 (1 eps)
Christian Ochoa
Javier (1 eps)
Joe Ordaz
Vasquez (1 eps)
Jimmy N. Roberts
Andre (1 eps)
Nikhil Shukla
Forensic (1 eps)
Melissa R. Stubbs
Jules (1 eps)
Angela K. Thomas
Nurse #2 (1 eps)
Charles Malik Whitfield
Dan Heather (1 eps)
David An
Orderly (1 eps)
Scott Engrotti
Biker (1 eps)
Danielle Hoetmer
Owen's Mom (1 eps)
Cindy Hsu
Reporter #3 (1 eps)
Matthew Mahaney
Driller (1 eps)
Mai Martinez
Reporter #2 (1 eps)
Ann Notarangelo
Reporter #1 (1 eps)
Kavita Patil
Head Nurse (1 eps)
Tiago Roberts
LAPD Cop (1 eps)
Stephanie Turner
Babysitter (1 eps)
Jerry Ying
Cop (1 eps)
Patrick Fabian
Captain Stephen Caine (1 eps)
Michael Filipowich
Christoph (1 eps)
Aaron Braxton
Raul (1 eps)
Jonathan Erickson Eisley
Thug #1 (1 eps)
Chad Guerrero
Thug #2 (1 eps)
Charlie Heydt
Diner (1 eps)
Brian Konowal
Passenger (1 eps)
Jen Kuhn
Nurse Jackie (1 eps)
Christina Llorens
Amelia (1 eps)
Andy McDermott
Pilot (1 eps)
Robert Mitchell
Crew Member (1 eps)
William Morse
Cooper (1 eps)
Josh Shibata
Japanese Technician (1 eps)
Craig Tsuyumine
Japanese Officer (1 eps)
Aramis Knight
Paco (1 eps)
Mia Serafino
Zoe (1 eps)
Javier Calderon
Cartel Leader (1 eps)
Pilar Holland
Lorraine Arroyo (1 eps)
Omar Leyva
Officer Vega (1 eps)
Virginia Montero
Old Woman (1 eps)
Eddie Perez
Thug #2 (1 eps)
Thomas Rosales Jr.
Manager (1 eps)
Fernanda Andrade
Rene Munoz (1 eps)
Matt Lasky
Mikko Aleska (1 eps)
Timothy V. Murphy
Dimitri Kreshenko (1 eps)
Keong Sim
Dr. Chong (1 eps)
Michael Christian Alexander
Supervisor (1 eps)
Keith Andreen
Cowboy (1 eps)
Christopher Carroll
Boris Sakovich (1 eps)
Reginald James
Marine #1 (1 eps)
Art Kulik
Yahsin (1 eps)
David Lengel
Guide (1 eps)
Rob Locke
Juris Nikonov (1 eps)
Giovanni Lopes
ATC Bill (1 eps)
Holger Moncada Jr.
Driver (1 eps)
JJ Snyder
Reporter (1 eps)
Scott MacDonald
Rescue Chopper Pilot (1 eps)
John Posey
LAFD Rescue Director (1 eps)
Rick Ravanello
Marcus (1 eps)
Aaron Bledsoe
Josh (1 eps)
Anthony Hill
Tech Marder (1 eps)
Taylor Keene
Caitlin (1 eps)
Jake Lockett
Pete (1 eps)
Stevie Nelson
Jenna (1 eps)
Fernando Rivera
Diego (1 eps)
Lance Chantiles-Wertz
Jimmy (1 eps)
Ginger Gonzaga
Maya (1 eps)
Jason Manuel Olazabal
Hector Menjivar (1 eps)
Ryan Sands
US Marshal (1 eps)
Chad Todhunter
Ricky Lambert (1 eps)
Michael Cornacchia
Frank (1 eps)
Victor Kelso
Security Guard (1 eps)
Jonathan Marballi
Clerk (1 eps)
Patrick Rafferty
Earl (1 eps)
Scott C. Roe
Marshal #2 (1 eps)
Terence J. Rotolo
Jorge (1 eps)
Nicole Sun
Waitress (1 eps)
Sunkrish Bala
Jim (1 eps)
Alexander Chaplin
Simon (1 eps)
Vedette Lim
Sarah Jacobs (1 eps)
Roy Abramsohn
Reporter #2 (1 eps)
Vanessa Lee Chester
Secretary (1 eps)
Jay Giannone
Swat Captain (1 eps)
Kate Gilligan
Reporter (1 eps)
Jim Ounniyom
Cop (1 eps)
Tripp Pickell
Officer McEwen (1 eps)
Michael Wiseman
Fire Chief (1 eps)
Eric Davis
Officer Kinkirk (1 eps)
Katherine Kamhi
Dr. Hill (1 eps)
Richard Pierre-Louis
Cop (1 eps)
Leigh-Ann Rose
Darla (1 eps)
Joshua Leonard
Mark Collins (1 eps)
Andre Anthony
Marine (1 eps)
Michael Masini
Theo Walsh (1 eps)
Diahnna Nicole Baxter
Therapist (1 eps)
Kate Butler
Mrs. Lane (1 eps)
Doc Farrow
Guard Rivas (1 eps)
Brian Glanney
Doctor (1 eps)
Silvia McClure
Nun (1 eps)
Ruby Roth
Sara (1 eps)
Rajan Velu
Kiosk Operator (1 eps)
Octavius J. Johnson
Nate (1 eps)
Spencer Garrett
Wilson Eckherd (1 eps)
Lawrence Kao
Calvin (1 eps)
Ted Mattison
Agent Cullens (1 eps)
Manuel Eduardo Ramirez
Octavio (1 eps)
Lisagaye Tomlinson
Agent Stellan (1 eps)
Georgie Guinane
Game Rep (1 eps)
Eric Osovsky
15 Year-Old Sylvester (1 eps)
Joe Lorenzo
Flatbed Driver (1 eps)
Joe Spellman
Fan (1 eps)
Michael King
Paul (1 eps)
Gary Anderson
Sheriff Barnes (1 eps)
Kristian Day
Flight Attendant / Homeland Security Officer (1 eps)