Caity Lotz character Ava
Toby Stephens character Vincent McCarthy
Denis Lawson character Thomson
Sam Hazeldine character James
Pooneh Hajimohammadi character Suri
Jonathan Byrne character Tim
Jade Croot character Mary
John-Paul Macleod character Paul Dawson (as John Paul Macleod)
Helen Griffin character Paul Dawson's Mother
Siwan Morris character Lucy
Nicola Reynolds character Joan
Alan Low character Assassin
Sule Rimi character Dr. Giwa-Amu
Joshua Higgott character Assistant (Dr. James)
Giles Thomas character Dr. Henning
Cornelius Garrett character Doctor GP
Sam Ellis character Surgeon
Richard Shackley character Checkpoint Guard
Daniel Llewelyn-Williams character Squadron Commander
Dafydd Emyr character Armed Military Policeman
Ben McGregor character Implant Soldier Ben
Clark Fisher character Implant Soldier Clark
Gareth Jones character Implant Soldier Ryan
Paul James character Doctor (on computer screen)
Lee Nicholas Harris character Implant Soldier Harris
Stuart Matthews character Soldier
