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

Rebecca Cornford

Canasta Player / Manor Guest / Friend of Henry Sugar / Casino Guest / Hospital Nurse

David Gant

Casino Croupier

Martin Foreman

Casino Guest

Agatino Trimarchi

Casino Guest

Christopher J. Long

Casino Guest

Richard Sisson

Casino Guest

Josephine Bygrave

Casino Guest

Linda Catt

Casino Guest

Robin Catt

Casino Guest

Bob Elam

Casino Guest

Robert Boyd-Howell

Casino Guest

Linda Telfer

Casino Guest

Aimee Gibson

Casino Guest

Jean Everest

Casino Guest