Alex Pettyfer as Stephen Underwood

Robert Więckiewicz as Michael Loboda

Talulah Riley as Jeanette Mitchell

Michael Gambon as Frank Hamilton

Henry Lloyd-Hughes as Mason Mitchell

Piotr Stramowski as Andrzej Nowak

Gwilym Lee as Captain John Underwood

Chris Walker as Gerrard

Colin Buchanan as Ellison

Michael Byrne as Coroner

Marko Leht as Lieutenant Zygmunt Horniak

David Sterne as Kings Arms Landlord

Luke de Woolfson as Thomas Derrick

Ragevan Vasan as Corporal Amitabh Shah

Charles De'Ath as Police Sergeant

Bill Fellows as Bill the Farmer

Paddy Wallace as DP Camp Sentry

Will Thorp as Colonel Janusz Pietrowski

Sam Marks as Stanley Hicks

Ian Midlane as Philip Edwards

Anita Carey as Joan Caldercott

Adam Lawrence as PC William Reynolds

Holly Augustine as Rose Miller

Seán Gleeson as Court Officer

Marek Kossakowski as Polish Waiter

Mateusz Mirek as Polish DP

Lee Kemp as Police Officer

Pamela DeAbreu as Polish Exile

Rafael Ferenc as Polish cadet (voice)

Oliver Ford Davies as Sir Alexander Cadogan / Anthony Eden / Owen O'Malley (voice)

Akemnji Ndifornyen as Sergeant Ekundayo Osunsanmi