- Tzi Ma - General Chin-Hwa Kwon
- Michael Gaston - Dan Levine
- Jamie Parker - Dennis Kohler
- ??? - Colonel Shin
- Patrick Fugit - Stephen Haynes
- Tess Haubrich - Samantha McKenna
- Finbar Lynch - Dr. Martin Wells
- Shruti Haasan - Nira Patel
- Racheal Ofori - Meghan Addo
- Paul Thornley - Leo Biller
- Ian Davies - Mike
- Daniel Weyman - Macy
- Stanisław Banasiuk - Oleg Popov
- Baek Dong-hyun - Colonel Li
- Donald Sage Mackay - Greg Sanders
- Kang Ye-na - Sungmi
- Hana Goto - Little Girl
- Iván Orsányi - Crewcut
- Tom Mothersdale - Ferguson
- Lee Jini - Jang-Mi Kwon
- Joe Corrigall - Pete Wilson
- Magdalena Sverlander - Valentina
- Marek Vašut - Max
- Karen Gagnon - CIA Receptionist
- Kerry Godliman - Carol Jane Devers
- Kerry Godliman - Carol
- Hans Peterson - Casino Bartender
- Zsolt Szentiványi - Ticket Inspector
- Gusztáv Molnár - Bob
- David Michaels - Tom Becker
- Fernando Guillén Cuervo - Hector Portillo
- Dylan Smith - Lowell
- Katerina Medvedeva - Yulia
- ??? - Yumi
- Maryan Bartilla - Cleaning Lady
- Péter Fancsikai - Bartender
- Peter Schueller - Deputy
- Emma Bercovici - Ava Becker
- Martin Umbach - Dr. Gustav Meisner
- Martin Umbach - Dr. Meisner
- Gen Seto - Old Man
- Emmett Scanlan - Spencer
- Jamie Andrew Cutler - Goatee
- Oliver Walker - Matheson
- Eric Kofi Abrefa - Sebastian Blair
- Márk Szekulesz - Jozef
- Roderick Hill - Karoli
- Maja Simonsen - Katya
- Georgie Farmer - Gabe Becker
- Georgie Farmer - Gabriel Becker
- Charlotte Palmer - Patty Vernon
- Kwak Jin-seok - Border Guard
- Julian Kostov - Yuri Leniov
- Julian Kostov - Yuri Leniov (1973)
- Miklós Béres - Bartender
- Annabelle Apsion - Bentley's Mother
- Cosima Shaw - Anna Collier
- Zoltán Karácsonyi - Dragunov
- Barnabás Réti - Don Ellender
- Timea Saghy - Kay Newman
- David Yu - Chinese Doctor
- Merab Ninidze - Yuri Leniov
- Ivan Mathias Petersson - Reed
- Emma Campbell-Jones - Gloria Sachs
- Manos Gavras - Bartender
- Yvette Feuer - Ticket Taker
- Set Sjöstrand - Nolan Lavelle
- Set Sjöstrand - Nolan Navelle
- Arthur Lee - Host
- Yuna Shin - Salesgirl
- Kim Moon-hak - Lead Bouncer
- Jason Scott Nelson - US Marine
- Alan McKenna - Dr. Sachs
- Tim Ahern - Senator Eamon Wray
- Tim Ahern - Senator Wray
- Martin Goeres - Vincent
- Igor Szász - Priest
- Dávid Csányi - Nolan's Security
- Jan Hammenecker - Marten Van Roon
- Adam Astill - Andy Moore
- Ziad Abaza - CIA Ops Tech
- Greg Lockett - Diplomatic Attache
- Roland Tzafetás - Spanish Prisoner
- Cian Barry - British Prisoner
- Milla Villamizar - Customs Officer
- Kevin Ezekiel Ogunleye - Hotel Bellman
- Steve Jehu - Tourist
- Balázs Viktor - Handcuff Man
- Edgar Duran - Padre Vicuna
- John Ammirati - Man in Suit
- Harry Makanga - Rwandan Father
- Liva Rafidison - Rwandan Mother
Jeremy Irvine interpreta a J. Randolph Bentley en la serie.
Brian J. Smith hace el papel de Doug McKenna.
Omar Metwally interpreta a Matt Edwards en la serie.
Han Hyo-joo interpreta a SoYun Pak en la serie.
Tracy Ifeachor interpreta a Tara Coleman en la serie.
Gabrielle Scharnitzky interpreta a Petra Andropov en la serie.
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