| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alan Sillitoe | Crew | Writing | Screenplay, Story |
Andrew Mollo | Crew | Directing | Second Assistant Director |
Antony Gibbs | Crew | Editing | Editor |
Basil Rayburn | Crew | Directing | Assistant Director |
Desmond Davis | Crew | Camera | Camera Operator |
 Desmond Davis | Crew | Camera | Camera Operator |
Jimmy Evans | Crew | Costume & Make-Up | Makeup Artist |
 John Addison | Crew | Sound | Music |
Josie MacAvin | Crew | Art | Set Dresser |
Maude Spector | Crew | Production | Casting |
Norman Bolland | Crew | Sound | Sound Recordist |
Sophie Devine | Crew | Costume & Make-Up | Costume Design |
 Tony Richardson | Crew | Directing | Director, Producer |
 Walter Lassally | Crew | Camera | Director of Photography |
Edward Marshall | Crew | Art | Art Direction |
Ralph W. Brinton | Crew | Art | Production Design |
Stephen Dalby | Crew | Sound | Sound Director |
Don Challis | Crew | Sound | Sound Editor |
Bobbie Smith | Crew | Costume & Make-Up | Hairdresser |
Tom Buchanan | Crew | Sound | Boom Operator |
John Danischewsky | Crew | Directing | Third Assistant Director |
 Alec McCowen | Cast | Actor | Brown, House Master |
Anthony Sagar | Cast | Actor | Fenton (uncredited) |
 Arthur Mullard | Cast | Actor | Chief Borstal Officer (uncredited) |
 Avis Bunnage | Cast | Actress | Mrs. Smith |
 Billy Murray | Cast | Actor | Borstal Inmate (uncredited) |
Brian Hammond | Cast | Actor | Johnny Smith - Colin's Brother (uncredited) |
 Charles Dyer | Cast | Bit Part (uncredited) | |
 Corin Redgrave | Cast | Actor | Spectator at Sports Day (uncredited) |
 Derek Fowlds | Cast | Actor | Borstal Inmate (uncredited) |
 Dervis Ward | Cast | Actor | Detective |
 Edward Fox | Cast | Actor | Extra (uncredited) |
 Frank Finlay | Cast | Actor | Booking Office Clerk (uncredited) |
 James Bolam | Cast | Actor | Mike |
James Cairncross | Cast | Actor | Mr. Jones (uncredited) |
 James Fox | Cast | Actor | Willy Gunthorpe - Ranley School Runner (uncredited) |
 Jim Brady | Cast | Actor | Man in Cafe (uncredited) |
 Joe Robinson | Cast | Actor | Roach |
 John Thaw | Cast | Actor | Bosworth (uncredited) |
 Julia Foster | Cast | Actress | Gladys |
 Michael Redgrave | Cast | Actor | Ruxton Towers Reformatory Governor |
Peter Duguid | Cast | Actor | Doctor (uncredited) |
 Peter Madden | Cast | Actor | Mr. Smith (uncredited) |
 Ray Austin | Cast | Actor | Harry Craig (uncredited) |
Robert Percival | Cast | Actor | Tory Politician (uncredited) |
 Tom Courtenay | Cast | Actor | Colin Smith |
 Topsy Jane | Cast | Actress | Audrey |
 Philip Martin | Cast | Actor | Stacy (uncredited) |
 Victor Harrington | Cast | Actor | Army Officer at Sports Day (uncredited) |
Philip Martin | Cast | Actor | Stacy (uncredited) |
Dallas Cavell | Cast | Actor | Lord Jaspers (uncredited) |
John Brooking | Cast | Green (uncredited) | |
Ernest Blyth | Cast | Army Officer at Sports Day (uncredited) | |
Peter Kriss | Cast | Actor | Scott (uncredited) |
John Bull | Cast | Ronalds (uncredited) | |
Raymond Dyer | Cast | Actor | Gordon (uncredited) |
Doug Robinson | Cast | Actor | Prison Warder (uncredited) |
Robert Vossler | Cast | Plainclothes Policeman (uncredited) | |
Fred Machon | Cast | Borstal Master at Meeting (uncredited) | |
Aileen Lewis | Cast | Actress | Sports Day Spectator (uncredited) |
Joe Phelps | Cast | Borstal Master in Workshop (uncredited) | |
Chris Williams | Cast | Actor | Ranley Boy (uncredited) |
 Christopher Parker | Cast | Bill Smith - Colin's Brother (uncredited) | |
John Wilder | Cast | Ranley Headmaster (uncredited) | |
| Person | Type | Job | Role(s) |
