Colin Firth as Eric

Nicole Kidman as Patti

Stellan Skarsgård as Finlay

Jeremy Irvine as Young Eric

Hiroyuki Sanada as Nagase

Tanroh Ishida as Young Nagase

Michael MacKenzie as Sutton

Jeffrey Daunton as Burton

Tom Stokes as Withins

Bryan Probets as Major York

Tom Hobbs as Thorlby

Sam Reid as Young Finlay

Akos Armont as Jackson

Takato Kitamoto as Japanese Officer

Keith Fleming as Removal Man

Ben Aldridge as Baliff

Yutaka Izumihara as Japanese NCO

Louis Toshio Okada as Hank the Yank

Micheal Doonan as Doctor Rogers

Shoota Tanahshi as Japanese Mechanic

Peter Tuinstra as Pump Operator

Shogo Tanikawa as Japanese Engineer

Ben Warren as Cook

Yasuhiko Miyauchi as Japanese Sergeant

Keiichi Enomoto as Sakamoto

Masa Yamaguchi as Kempai Officer

Ewen Leslie as Captain Thompson

Shinji Ikefuji as Thug Sergeant

Jack McTaggart as Australian Soldier

Sarah McVicar as Nurse

Therese Bradley as Mother

Byron J. Brochmann as British Trooper POW (uncredited)

Marta Dusseldorp as Memsahib (uncredited)

Charlie Ruedpokanon as Japanese Guard (uncredited)

Kate Rutter as Jean

Inessa Kraft as Nurse