Keira Knightley

as Charlotte Salomon (voice)

Sam Claflin

as Alexander Nagler (voice)

Raoul Bhaneja

as Professor Koch / Brown Shirt Leader / Others (voice)

Hanneke Talbot

as Augusta (voice)

Mark Strong

as Alfred Wolfsohn (voice)

Jim Broadbent

as Grosspapa (voice)

Henry Czerny

as Dr. Moridis / Policeman #2 / Security Guard (voice)

Eddie Marsan

as Albert Salomon (voice)