Ed Harris as Mr. Smith

Jim Sturgess as Janusz Wieszczek

Saoirse Ronan as Irena Zielińska

Colin Farrell as Valka

Mark Strong as Andrei Khabarov

Gustaf Skarsgård as Andrejs Voss

Dejan Angelov as Andrei

Dragoș Bucur as Zoran

Sally Brunski as Janusz's Wife, 1939

Alexandru Potocean as Tomasz Horodinsky

Sebastian Urzendowsky as Kazik

Zahari Baharov as Interrogator

Ihor Hniezdilov as Bohdan

Stanislav Pishtalov as Commandant

Mariy Grigorov as Lazar

Nikolay Stanoev as Yuri

Stefan Shterev as Cook

Yordan Bikov as Garbage Eater #1

Ruslan Kupenov as Garbage Eater #2

Nikolay Mutafchiev as Guard #1

Valentin Ganev as Guard #2

Anton Trendafilov as Steam Man

Pearce Quigley as The Professor

Sattar Dikambayev as Mongolian Horseman

Hal Yamanouchi as Official

Meglena Karalambova as Janusz's Wife, 1989

Irinei Konstantinov as Janusz, 1989