Alec Guinness

Father Brown

Joan Greenwood

Lady Warren

Peter Finch

Gustave Flambeau

Cecil Parker

The Bishop

Bernard Lee

Inspector Valentine

Sid James

Bert Parkinson

Gérard Oury

Inspector Dubois

Ernest Thesiger

The Vicomte

Ernest Clark

Bishop's Secretary

Everley Gregg

Governess

Austin Trevor

The Herald

Marne Maitland

Maharajah