- Demore Barnes - Hector Williams
- Lindsay Frost - Senator Webb
- Tia Texada - Mariana Ribera
- Andy Umberger - Agent Bluman
- Tim Kang - Chaplain Alan Lantz
- Benito Martinez - President-Elect Benjamin Castillo
- Bahar Soomekh - Firefly
- Jim Beaver - Lloyd Cole
- Michele Greene - Cynthia Burdett
- Bai Ling - Princess
- Ed O'Neill - William Partch
- Valerie Landsburg - Marge
- Bruce A. Young - Dr. Jimmy Willey
- Brian Tee - Rebel Leader
- Julius Carry - Colonel George
- John Noble - The C.E.O.
- Michael Papajohn - Man
- Alyssa Shafer - Serena Brown
- Lionel Mark Smith - Combat Loading Supervisor
- Jim Frangione - Van Walcott
- Ned Bellamy - Lewis
- Joel Polis - Administrator
- Jan Devereaux - Lee Rohmer
- Eric Johnson - Ethan McNeal
- Jon Hamm - Wilson James
- Chris Ellis - Congressman Bruce Gelber
- Sayed Badreya - Afghan Commander
- Andrew Divoff - The Major
- Kate Norby - Pam
- Kenneth Mitchell - Keith Soto
- Dean Norris - Supervisor Marsh
- Richard Gilliland - Ellis Kapp
- Mel Winkler - Avery Flowers
- Veronica Milagros - Marta
- William H. Macy - President of the United States
- Carlos Lacámara - Luis Inez Reale
- Yara Martinez - Annie
- Brian Howe - Special Agent Griffiths
- David Harbour - Gary Weber
- Kathleen Noone - Kathryn
- Jackie Debatin - Agent Suzanne Lee
- Samantha Hanratty - Jenny Gerhardt
- Summer Glau - Crystal Burns
- Colby French - Welfare Man
- Isaach De Bankolé - General Togar
- Yuji Okumoto - Mr. Michael
- Clare Carey - Helene Rouse
- Luis Antonio Ramos - Adolpho
- Ewan Chung - Map Tech
- Jack Maxwell - Angry Man
- Sonia Iris Lozada - Isabel
- Parisa Fitz-Henley - Laurenda George
- Victor Campos - Owner
- Theo Rossi - Mike
- Pej Vahdat - Zafar Khalid
- Conor O'Farrell - General Heath
- Amy Holt - Blonde Hooker
- Nicholas Kadi - Rafik Hakim
- Jana Camp - Justine Cole
- Bryan Hearne - Will
- Rebecca Pidgeon - Charlotte Ryan
- Matt Malloy - Dr. Farris
- Alec Holden - Sam
- Clara Mamet - C.J. Weiss
- Daston Kalili - Head Man
- Dori Mizrahi - Guerilla Ringleader
- Mark Anthony Vazquez - Crew Chief
- James Sharpe - Sergeant
- Bryan Terrell Clark - Soldier
- Salman Bokhari - Pakistani Bus Man (uncredited)
- Tim Thomas - Retreat Ceremony Detail (uncredited)
- Reid Warner - Young Nurse
- Jeremy Allen Rodriguez - Prison Official
- Shaun Duke - Agent Vorhees
- Vyto Ruginis - Doyle Ransom
- Michael Cavanaugh - Committee Chair Locke
- Adam Leadbeater - Caul
- Michael Petrone - Agent #1
- James Ellis Lane - Customs Agent
- Jake McLaughlin - Prison Guard
- Michael O'Neill - Ron Cheals
- Mary B. McCann - Ruthie Cheals
- Adam Lieberman - FBI Man
- Brian Palermo - National Guard Commander
- Said Faraj - Terrorist
- Lonnie Lardner - News Reporter
- Angela Martinez - Standup Reporter
- Ali Dean - Café Proprietor
- Eben Kostbar - Johnny
- Ronnie Steadman - Transportation Captain
- Jess King - Sanders
- Ray Siegle - Hijacker
- Mark Aiken - Patrick Collins
- Sean Blakemore - African Soldier
- Kristen Ariza - Keisha Holmes
- James Kiriyama-Lem - Crew Member
- Ingrid Sanai Buron - Gina
- Lydia Blanco Garza - Wife #3
- Mandy McMillian - Pamela
- Paul Renteria - Deliveryman
- Tzi Ma - Rudy Hartano
- Karl Makinen - Coots
- Tuffet Schmelzle - Ashley
- John Sloan - Brad
- Chase Ryan Jeffery - Sam
- Clint Jung - Rebel #1
- Gary Perez - Alberto Salazar
- Maria McCann - Susan Abernathy
- Robert Catrini - D.E.A. Chief Johnson
- Tim Halligan - Larry Crumpler
- Don Oscar Smith - Happy Jack
- Gillian Shure - Amanda
- James Geralden - Douglas Myers
- Gus Buktenica - Kyle
- Natacha Roi - Captain Lowry
- Cari Zoch - Waitress
- Thomas Mills - Cop
- Joanne Rubino - Sam's Aunt
- Anthony Brandon Wong - Prince Sakda
- Kavita Patil - Sgt. Kayla Medawar
- Kavita Patil - Sergeant Medawar
- Kavita Patil - Kayla Medawar
- Brandon Scott - Bravo
- Jon Hershfield - Tech
- Zosia Mamet - Christine Ross
- Alvin Lam - Kama
- Emerson Brooks - Loadmaster
- Misha Huang - Sumalee
- Ori Pfeffer - Marc Granger
- Anne Bedian - Mother
- Amro Salama - Next-Door Neighbor
- Dave Marlin - 12-Year-Old Boy
- Josh Wingate - Marine Sergeant
- Anoush NeVart - Scared Lady
- Kevin Cristaldi - Guy
- Eyad Elbitar - Arab Man
- Judith Moreland - Ruth Watson
- Brooks Almy - Marian Holt
- Brady Hender - Boy
- Hayden Thompson - Boy
- Heather Black - Town Woman
- Mark Kubr - Assassin
- Bryan Fabian - Marcos
- Tia Hunnicutt - Celeste
- Anderson Goncalves - Genari
- Bruce Gerard Brown Jr. - Main Guard
- Margot Farley - Judith
- Debbie Campbell - Sharon
- Francesca Ferrara - Sherry
- Freddie De Grate - Brazilian Village Juggler
- Kirsten Maryott - Wife
- Tarita Virtue - Brazilian Drug Lord's Girlfriend
- Al Whiting - Miltary Police Officer
- Karina Logue - Dr. Passani
- Mike Genovese - Vince
- Demetrius Grosse - Guard #1
- Dee Anne Helsel - Edna
- Shannon Holt - Relief Worker
- Kim Estes - Driver
- Kasey Campbell - Schoolboy
- Alain Uy - Operations Assistant
- Alain Uy - Art (uncredited)
- Alain Uy - Art - Operations Assistant (uncredited)
- Skylar T. Adams - Pilot
- Susan Elena Matus - Sarah Irvine
- Susan Elena Matus - Sergeant Irvine
- Susan Elena Matus - Techie
- Kevin Jackson - Guard #2
- Eve Brenner - Rose
- Saemi Nakamura - Amy Bowman
- James MacDonald - Willis Meeks
- Natalija Nogulich - Evelyn
- Andy Davoli - Joel Bowman
- Daniel Wisler - Jeremy
- Daniel Wisler - Jeremy Erhart
- Tom Kiesche - Gerald Thomas
- Jeris Poindexter - Robot Operator
- Kristina Lear - Agent Cunningham
- Duane R. Shepard Sr. - Fire Marshall
- Alex Wexo - Det. Humphrey
- Todd Weeks - Det. Miller
- Janora McDuffie - Judith
- Eric Steinberg - General Raja
- Ariel Felix - Asst. General Arya
- Eltony Williams - Officer Hitchner
- Dyana Liu - Waitress
- Toshi Toda - Premier Huang
- Wesley Leong - Shop Owner
- Catherine O'Connor - Sales Woman
- Allie Adair - White House Intern
- Lock Lee - Detainee
- Rey Valentin - Sergeant Ross
- Zane Casablanca - Arab Arms Dealer
- Max Decker - MP #1
- Matisha Baldwin - MP #2
- Geno Monteiro - Secret Service Agent
- Abdul-Khaliq Murtadha - Pediatrician
- Melissa Tang - Anna
- Cory Tucker - Sergeant In Charge
- Clay Donahue Fontenot - Fire Ranger
- Justin Fair - Radio Station Producer
- Jerald Garner - Military Officer
- Ron Riekki - Driver
- Robin Weigert - Annette Terry
- Matt Gerald - Beau Dauber
- Ned Schmidtke - Don Rohmer
- Todd Cattell - Kevin Gidney
- Alex Castillo - Militia Leader
- Mario Revolori - Refugee Boy
- Stephanie Fabian - Refugee
- Henry Vega - Refugee Older Man
- Eddie J. Fernandez - Sniper / Militia Member
- Shane Wood - Delta Force Cadet
- Jeffrey Hutchinson - Building Handyman
- J. David Shanks - Jeremy
- Wes Chatham - Staff Sergeant Sam McBride
- Willie C. Carpenter - George Blane
- Emily Yancy - Mrs. Blane
- Nate Parker - Darryl
- Benjamin Brown - Young George Blane
- James Moses Black - Billy
- Billy Smith - Lieutenant
- Jason Kaufman - Infantry Officer
- Jennifer Cormack - Teesha
- P.J. Brown - First Man
- Michael Worth - Second Man
- Dotan Baer - Serviceman
- Katherine Von Till - Waitress
- Hiro Koda - Korean Soldier (uncredited)
- Patti Yasutake - Judge Hatter
- Dennis Haysbert
- Paul Redford
- David Mamet
William H. Macy interpreta a President of the United States en la serie.
Bruce A. Young hace el papel de Dr. Jimmy Willey.
Benito Martinez hace el papel de President-Elect Benjamin Castillo.
Ned Bellamy interpreta a Lewis en la serie.
Dennis Haysbert interpreta a Jonas Blane en la serie.
John Noble interpreta a The C.E.O. en la serie.
Bahar Soomekh hace el papel de Firefly.
Brian Howe hace el papel de Special Agent Griffiths.
Isaach De Bankolé hace el papel de General Togar.
Regina Taylor interpreta a Molly Blane en la serie.
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