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

Gibb McLaughlin

Emery

Peter Copley

P. Shillitoe (uncredited)

Mark Daly

Lord Mayor (uncredited)

Deidre Doyle

Widow Hullins (uncredited)

Henry Edwards

Mr. Cotterill (uncredited)

Lyn Evans

Cregeen (uncredited)

Ronald Neame