- Dillon Casey - Sean Pierce
- Xander Berkeley - Percy Rose
- Helena Mattsson - Cassandra Ovechkin
- Peter Outerbridge - Ari Tasarov
- Brian Howe - Morgan Kendrick
- Sarah Clarke - Katya Udinov
- Peter J. Lucas - Sergei Semak
- Ksenia Solo - Irina
- David S. Lee - Phillip Jones
- Alex Carter - Matthew Graham
- John Billingsley - Heidecker
- Richard T. Jones - Commander Evan Danforth
- Adam Croasdell - Kosta Bechiraj
- Matt Bushell - Ray
- Anna Hopkins - Kate Barrett
- Krista Bridges - Angela
- Josh Braaten - Jason Decker
- Cameron Daddo - President Charles Grayson
- Jeffrey Pierce - Martin
- Byron Mann - Agent Li Bai
- Jonathan Goad - Alexi Markov
- Sarah Allen - Anne
- Annalise Basso - Liza Abbott
- Scottie Thompson - Mia
- Pedro Pascal - Liam
- Michelle Nolden - President Kathleen Spencer
- Michelle Nolden - Vice President Kathleen Spencer
- Chance Kelly - Wade
- Olga Fonda - Larissa
- Jonathan Adams - President of Chad
- Merle Dandridge - Zoe
- Haley Ramm - Helen Collins
- Greg Bryk - Karl Jaeger
- François Chau - Dr. Kang
- Terry Chen - Inspector Jeong
- David Meunier - Joshua
- Sterling K. Brown - Nick Anson
- Julio Oscar Mechoso - Guillermo Garza
- Amanda Schull - Naomi Ceaver
- Andrew Divoff - Amon Krieg
- Dylan Minnette - Stefan Tasarov
- David Ferry - Gary
- Amanda Brugel - Janet Malcolm
- Rothaford Gray - General Safwani
- Hamish McEwan - John Fleder
- Sebastien Roberts - Daniel Monroe
- Manuel Urrego - Guillermo
- Kristof Konrad - Mirko Dadich
- Haaz Sleiman - Kasim Tariq
- Haaz Sleiman - Al Qaeda #1
- Whitney Able - Hanna Cushko
- Christopher Cousins - Henry Sampson
- Julie Gonzalo - Jill Morelli
- Russell Wong - Victor Han
- Laura Regan - Lisa Han
- Bianca Lawson - Emily Robinson
- Todd Grinnell - Dale Gordon
- Simon Kassianides - Ramon Esquivel
- Rekha Sharma - Nisha Patel
- Michael Jace - Captain Tony Merrick
- B.J. Britt - Justin Merrick
- John Ralston - Dr. Joseph Mars
- Alberta Watson - Senator Madeline Pierce
- Julie McNiven - Alicia
- Katheryn Winnick - Kelly
- Romano Orzari - General Valeri Ovechkin
- David Keith - Richard Ellison
- Van Hansis - Yuri Levrov
- Matthew Glave - Jonathan Gaines
- Paulino Nunes - General Tupelov
- Will Kemp - Nigel
- William deVry - Patrick Miller
- Malik Yoba - Wallace
- Angela Sarafyan - Oksana
- Dan Lett - Phillip Ramsey
- Rose Rollins - Ellen Crawford
- Judd Nelson - Ronald Peller
- Harris Yulin - Admiral Bruce Winnick
- Romina D'Ugo - Dina
- Milton Barnes - Phelps
- Erica Gimpel - Carla Bennett
- Dwain Murphy - Mason
- Rick Ravanello - Nicholas Brandt
- Carlo Rota - Ian Damascus
- Bug Hall - Robbie
- Brendan Fehr - Stephen
- Billy MacLellan - Remy
- John Getz - Senator Ed Chappell
- Vincent Ventresca - Trevor Adrian
- Jessica Camacho - Rachel
- Christopher Heyerdahl - Matthew Collins
- Isaiah Mustafa - Cyrus
- Raven Dauda - Miriam Hasan
- Eliana Jones - Young Alex
- Alexandra Krosney - Sara
- Spencer Garrett - Senator Kerrigan
- Marco Grazzini - Oliver
- Rayisa Kondracki - Anna
- Jon Gries - The Engineer
- Joshua Peace - Colonel Slocum
- JB Blanc - Timur Ahmedov
- Claire Rankin - Cheryl Dixon
- Lindsay Merrithew - Oil Baron
- Pascal Langdale - Industrialist
- Manuel Sinor - German Official
- Daniel Kash - Gaddiel Zoman
- Robin Givens - Mary Miracle
- Thad Luckinbill - Nathan Colville
- James Gilbert - Prince Erik
- Beatrice Rosen - Princess Kristina
- Kathleen Munroe - Leela Kantaria
- Matthew Marsden - Emil Voss
- Mark Ivanir - Vladimir Ivanov
- Rudolf Martin - Gustav
- Ray Park - Brandon
- Zoie Palmer - Anya Vimer
- Christina Moses - Dana Winters
- Kyle Mac - Darren
- David Richmond-Peck - Ilya Levkin
- Vieslav Krystyan - Nikolai Udinov
- Rich Sommer - Malcolm Mitchell
- Hannah Anderson - Ruby
- Lyndie Greenwood - Sonya
- Ron White - Edward Adams
- Patrick Garrow - Doctor Hanson
- Simu Liu - Desk Officer
- Misha Highstead - Russian Woman (uncredited)
- Mena Massoud - Al Qaeda #2
- Darrin Klimek - Gogol Hitman
- Ari Millen - Ronnie
- Christopher Jacot - Baker
- Salvatore Antonio - Trevor
- Kevin Hanchard - Chief of Security
- Tony Nappo - Hershey
- Paul Braunstein - Anton Kochenko
- Lisa Berry - Harriet Jennings
- Janet Porter - Travel Agent
- McG
- David Solomon
- Danny Cannon
Harris Yulin interpreta a Admiral Bruce Winnick en la serie.
Xander Berkeley hace el papel de Percy Rose.
Brian Howe interpreta a Morgan Kendrick en la serie.
Ashton Holmes hace el papel de Thom.
Greg Bryk interpreta a Karl Jaeger en la serie.
Maggie Q interpreta a Nikita Meers en la serie.
Shane West interpreta a Michael Bishop en la serie.
Lyndsy Fonseca hace el papel de Alex Udinov.
Aaron Stanford interpreta a Seymour Birkhoff en la serie.
Melinda Clarke interpreta a Helen "Amanda" Collins en la serie.
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