Richard Arlen

John 'Captain' Martin

Greta Gynt

Peggy Mason

Donald Houston

Michael Mallard

Edwin Richfield

Daller

Michael Balfour

Bennett, short henchman

Arnold Adrian

Mark, tall henchman

Mary Germaine

Margaret Lane

Sydney Bromley

Enson

Vincent Ball

Williams

Elspet Gray

June Mallard

Antony Viccars

Detective-Inspector Hunt

Howard Lang

Marne

Montgomery Tully