Dirk Bogarde
— Alfie Rawlins
Richard Attenborough
— Jackie Knowles
Jack Warner
— Governor
Jimmy Hanley
— Bill Foster
Barbara Murray
— Kitty Hurst
Andrew Crawford
— Casey
Patrick Holt
— Tigson
Thora Hird
— Mrs. Knowles
Michael Medwin
— Alf "Sparrow" Thompson
John Blythe
— Bossy Phillips
Alfie Bass
— Basher Walker
Elspeth March
— Mrs. Smith
Frederick Leister
— Judge
Graham Payn
— Plato Cartwright
Stanley Escane
— Bert
Robert Desmond
— Spud
Martin Tiffen
— Dusty
Philip Stainton
— Principal Prison Officer
Cyril Chamberlain
— Mr. Johnson
Tony Quinn
— Mr. Knight
Clive Dunn
— Holdup Man
Ronald Adam
— Judge
John Clifford
— Mr Smith
Frank Coburn
— Man
Charles Farrell
— Mr. Sykes
Pat Hagan
— Borstal Master
Philip Hillman
— Sykes Jr
Rose Howlett
— Mrs Sykes
James Knight
— Prison Officer
Molly Lumley
— Woman Watching Play