David Thewlis
Father
Jim Norton
Herr Liszt
Richard Johnson
Grandpa
Vera Farmiga
Mother
Rupert Friend
Lieutenant Kotler
David Hayman
Pavel
László Áron
Lars
Asa Butterfield
Bruno
Sheila Hancock
Grandma
Mihály Szabados
Kapo 2
Jack Scanlon
Shmuel
Amber Beattie
Gretel
Cara Horgan
Maria
Béla Fesztbaum
Schultz
Charlie Baker
Palm Court Singer
Iván Verebély
Meinberg
Julia Papp
Dancer (uncredited)
László Quitt
Kapo 1