Asa Butterfield

Bruno

Vera Farmiga

Mother

David Thewlis

Father

Jack Scanlon

Shmuel

Amber Beattie

Gretel

Rupert Friend

Lieutenant Kotler

David Hayman

Pavel

Sheila Hancock

Grandma

Richard Johnson

Grandpa

Cara Horgan

Maria

Jim Norton

Herr Liszt

László Áron

Lars

Charlie Baker

Palm Court Singer

Iván Verebély

Meinberg

Béla Fesztbaum

Schultz

László Quitt

Kapo 1

Mihály Szabados

Kapo 2

Julia Papp

Dancer (uncredited)