Laurence Harvey as Joe Lampton

Simone Signoret as Alice Aisgill

Heather Sears as Susan Brown

Donald Wolfit as Mr. Brown

Donald Houston as Charles Soames

Hermione Baddeley as Elspeth

Beatrice Varley as Aunt

Allan Cuthbertson as George Aisgill

Raymond Huntley as Mr. Hoylake

John Westbrook as Jack Wales

Ambrosine Phillpotts as Mrs. Brown

Richard Pasco as Teddy

Delena Kidd as Eva

Ian Hendry as Cyril

April Olrich as Mavis

Mary Peach as June Samson

Anthony Newlands as Bernard

Avril Elgar as Miss Gilchrist

Thelma Ruby as Miss Breith

Paul Whitsun-Jones as Laughing Man at Bar

Derren Nesbitt as Thug in Fight On Tow Path

Wendy Craig as Joan (uncredited)

Prunella Scales as Council Office Worker (uncredited)

Derek Benfield as Man in Bar (uncredited)

Wallace Bosco as Pub Customer (uncredited)

Miriam Karlin as Gertrude (uncredited)

Michael Atkinson as Grant (uncredited)

Hyma Beckley as Civic Ball Attendee (uncredited)

Allan Bracewell as Middle Aged Man (uncredited)

Bonita Bridgeman as Bridesmaid (uncredited)

Yvonne Buckingham as Girl at Window (uncredited)

Honora Burke as Plump Woman (uncredited)

Richard Caldicot as Taxi Driver (uncredited)

Isla Cameron as Thespians Member (uncredited)

Angela Culbert as Bridesmaid (uncredited)

Doreen Dawn as High Stepping Girl (uncredited)

Basil Dignam as Priest (uncredited)

Jane Eccles as Mrs Thompson (uncredited)

Gilda Emmanuelli as Ethel (uncredited)

Janina Faye as Young Girl (uncredited)

Kathleen Fox as Bridesmaid (uncredited)

Alex Graham as Barman at Ball (uncredited)

Everley Gregg as Mayoress (uncredited)

Robert Gregory as Diner at Conservative Club (uncredited)

Anne Gunning as Girl in Sports Car (uncredited)

May Hallatt as Miss Tanfield (uncredited)

Jack Hedley as Architect (uncredited)

Hubert Hill as Barman (uncredited)

Stephen Jack as Darnley (uncredited)

Ruth Kettlewell as Thespians Member (uncredited)

Pat Lanski as Girl Guide Leader (uncredited)

Wilfrid Lawson as Uncle Nat (uncredited)

Anne Leon as Janet (uncredited)

Denis Linford as Harry (uncredited)

Pamela Manson as Thespians Member (uncredited)

Harry Moore as Thespians Member (uncredited)

John Moulder-Brown as Urchin (uncredited)

Katharine Page as Mary (uncredited)

Edward Palmer as Porter (uncredited)

Robert Palmer as Tough (uncredited)

Sheila Raynor as Vera (uncredited)

Julian Somers as St Clair (uncredited)

Hazel Sutton as Blonde (uncredited)

John Tatham as Pub Customer (uncredited)

Reg Thomason as Man Backstage (uncredited)

James Ure as Waiter at Conservative Club (uncredited)

Kenneth Waller as Reggie (uncredited)

John Welsh as Mayor (uncredited)

Brian Worth as Man in Sports Car (uncredited)