Laurence Harvey as Joe Lampton

Jean Simmons as Susan Lampton

Honor Blackman as Norah Hauxley

Michael Craig as Mark

Donald Wolfit as Abe Brown

Robert Morley as Tiffield

Margaret Johnston as Sybil

Ambrosine Phillpotts as Mrs. Margaret Brown

Allan Cuthbertson as George Aisgill

Paul A. Martin as Harry

Frances Cosslett as Barbara

Ian Shand as Ralph Hethersett

George A. Cooper as Graffham

Nigel Davenport as Mottram

Andrew Laurence as McLelland

Geoffrey Bayldon as Industrial Psychologist

Denis Quilley as Ben

David Oxley as Tim

David McKail as Oscar

Paul Whitsun-Jones as Keatley

Charles Lamb as Wincastle

Michael Newport as Newspaper Boy

Richard Leech as Doctor

Ingrid Anthofer as Stripper

Harry Fowler as Magic Beans Man

Lewis Alexander as Sherry Party Guest (uncredited)

Jack Armstrong as Pub Customer (uncredited)

Rex Arundel as Lord Mayor (uncredited)

Hyma Beckley as Sherry Party Guest (uncredited)

Ernest Blyth as Election Agent (uncredited)

Mark Burns as Tiffield Interview Panel (uncredited)

Robin Burns as Art Exhibition Visitor (uncredited)

Pauline Chamberlain as Woman at Party (uncredited)

Mark Colleano as Bit Part (uncredited)

Peter Evans as Man at Party (uncredited)

Edward Fox as Office Supervisor (uncredited)

Victor Harrington as Board Member (uncredited)

Richard Neller as Election Agent (uncredited)

Dido Plumb as Art Exhibitor Visitor (uncredited)

Philip Stone as Tiffield Interview Panel (uncredited)

John Tatham as Gambler (uncredited)

Lockwood West as Board Member (uncredited)