Alec Guinness

Edward Henry 'Denry' Machin

Glynis Johns

Ruth Earp

Valerie Hobson

Countess of Chell

Petula Clark

Nellie Cotterill

Edward Chapman

Mr. Duncalf

Veronica Turleigh

Mrs. Machin

George Devine

Mr. Calvert

Joan Hickson

Mrs. Codleyn

Frank Pettingell

Police Superintendent