Ralph Fiennes

Roald Dahl / Policeman

Benedict Cumberbatch

Henry Sugar / Make-Up Artist

Dev Patel

Dr. Chatterjee / John Winston

Ben Kingsley

Imdad Khan / Croupier

Richard Ayoade

Dr. Marshall / Yogi

Jarvis Cocker

Canasta Player / Manor Guest / Friend of Henry Sugar / Casino Entrance Man

David Gant

Casino Croupier