Colin Farrell as Mark Walsh

Paz Vega as Elena Morales

Christopher Lee as Joaquín Morales

Kelly Reilly as Diane

Jamie Sives as David

Branko Đurić as Dr. Talzani

Juliet Stevenson as Amy

Eileen Walsh as Dr. Christopher

Ian McElhinney as Ivan

Nick Dunning as Dr. Hersbach

Mozaffar Shafeie as Talzani's Assitant

Kae Bahar as Wounded Man

Luis Callejo as Pesh Merga Commander

Alex Spijksma as Pesh Merga Sergeant

Reece Ritchie as Boy in Beirut

Dada Ashi as Ugandan Woman

Michelle Hartman as Nurse