Richard Dormer
as Dan Andersen
Björn Hlynur Haraldsson
as Eric Odegard
Sienna Guillory
as Natalie Yelburton
Mia Jexen
as Ingrid Witry
Luke Treadaway
as Vincent Rattrey
Alexandra Moen
as Petra Bergen
Sofie Gråbøl
as Governor Odegard
Verónica Echegui
as Elena Ledesma
Darren Boyd
as Markus Huseklepp
Dennis Quaid
as Michael Lennox
Michael Gambon
as Henry Tyson
Nicholas Pinnock
as Frank Sutter
Jessica Raine
as Julia 'Jules' Sutter
Ramon Tikaram
as Tavrani
Stanley Tucci
as DCI Morton Baldwell
Johnny Harris
as Ronnie Morgan
Aaron McCusker
as Jason Donnelly
Ken Stott
as Erling Munk
Edvin Endre
as Rune Lennox
Michelle Fairley
as Freya Lennox
Parminder Nagra
as Dr. Sarinda Khatri
Phoebe Nicholls
as Margaret Allerdyce
Robert Sheehan
as Vladek Klimov
Brian McCardie
as Lazlo Hindemith
Aliette Opheim
as Elsa Schenthal
Maria Schrader
as DCI Ingeborg Myklebust
Abubakar Salim
as Boyd Mulvihill
Set Sjöstrand
as Torsten Øby
Christopher Eccleston
as Charlie Stoddart
Paul Ready
as Mark Devlin
Brigid Zengeni
as Annie Burgess