Barry K. Barnes

Peter Thurloe

Joan Marion

Dorothy Houghton

Roger Livesey

Charles Houghton

Basil Radford

Bill Madison

Everley Gregg

Emily Madison

Felix Aylmer

Col. Cairns

Wallace Douglas

Agent Hooper

Henry Oscar

Porter

John Turnbull

Sir Andrew Hamilton

Edward Ashley

Stuart

Santos Casani

Foreigner

Hal Walters

Kingswell

David Davies

Detective (uncredited)

David MacDonald