Stephen Boyd

Character: Peter Jongman

Dolores Hart

Character: Lisa Held

Leo McKern

Character: Brandt

Hugh Griffith

Character: Van der Pink

Donald Pleasence

Character: Wolters

Harry Andrews

Character: Ayoob

Robert Stephens

Character: Dickens

Marius Goring

Character: Thorens

Finlay Currie

Character: De Kool

Geoffrey Keen

Character: Bartels

Neil McCallum

Character: Browne

Jean Anderson

Character: Mrs. Jongman

Jane Jordan Rogers

Character: Anaka Jongman

Jack Gwillim

Character: Inspector Cobb

Arthur Gross

Character: Railway Conductor

Anne Dickins

Character: Rachel

Vi Stevens

Character: Barge Woman

Derek Francis

Character: Detective Inspector

Victor Brooks

Character: Sergeant Groninger

Geoffrey Frederick

Character: Soldier

Clifford Elkin

Character: Signaller