Alec Guinness as Edward Henry 'Denry' Machin

Glynis Johns as Ruth Earp

Valerie Hobson as Countess of Chell

Petula Clark as Nellie Cotterill

Edward Chapman as Mr. Duncalf

Veronica Turleigh as Mrs. Machin

George Devine as Mr. Calvert

Joan Hickson as Mrs. Codleyn

Frank Pettingell as Police Superintendent

Gibb McLaughlin as Emery

Peter Copley as P. Shillitoe (uncredited)

Mark Daly as Lord Mayor (uncredited)

Deidre Doyle as Widow Hullins (uncredited)

Henry Edwards as Mr. Cotterill (uncredited)

Lyn Evans as Cregeen (uncredited)

Wilfrid Hyde-White as Lord at the Liverpool Dock

Michael Hordern as Bank Manager

Matthew Guinness as Denry as a Boy