- James Fox - Willy Gunthorpe - Ranley School Runner (uncredited)
- Arthur Mullard - Chief Borstal Officer (uncredited)
- Philip Martin - Stacy (uncredited)
- John Brooking - Green (uncredited)
- Anthony Sagar - Fenton (uncredited)
- Peter Kriss - Scott (uncredited)
- Peter Madden - Mr. Smith (uncredited)
- Dallas Cavell - Lord Jaspers (uncredited)
- James Cairncross - Mr. Jones (uncredited)
- Robert Percival - Tory Politician (uncredited)
- Ray Austin - Harry Craig (uncredited)
- Derek Fowlds - Borstal Inmate (uncredited)
- Billy Murray - Borstal Inmate (uncredited)
- Ernest Blyth - Army Officer at Sports Day (uncredited)
- John Bull - Ronalds (uncredited)
- Charles Dyer - Bit Part (uncredited)
- Edward Fox - Extra (uncredited)
- Brian Hammond - Johnny Smith - Colin's Brother (uncredited)
- Christopher Parker - Bill Smith - Colin's Brother (uncredited)
- Corin Redgrave - Spectator at Sports Day (uncredited)
- Doug Robinson - Prison Warder (uncredited)
- Robert Vossler - Plainclothes Policeman (uncredited)
- John Wilder - Ranley Headmaster (uncredited)
- Tony Richardson
- Andrew Mollo
-
Alan Sillitoe
- Tony Richardson
- John Addison
- Tom Buchanan
Michael Redgrave hace el papel de Ruxton Towers Reformatory Governor.
Tom Courtenay interpreta a Colin Smith en la película.
Avis Bunnage interpreta a Mrs. Smith en la película.
Alec McCowen hace el papel de Brown, House Master.
James Bolam hace el papel de Mike.
Joe Robinson interpreta a Roach en la película.
Dervis Ward interpreta a Detective en la película.
Topsy Jane interpreta a Audrey en la película.
Julia Foster hace el papel de Gladys.
James Fox hace el papel de Willy Gunthorpe - Ranley School Runner (uncredited).
John Thaw interpreta a Bosworth (uncredited) en la película.
Arthur Mullard interpreta a Chief Borstal Officer (uncredited) en la película.
Philip Martin interpreta a Stacy (uncredited) en la película.
John Brooking interpreta a Green (uncredited) en la película.
Anthony Sagar hace el papel de Fenton (uncredited).
Peter Kriss interpreta a Scott (uncredited) en la película.
Peter Madden interpreta a Mr. Smith (uncredited) en la película.
Dallas Cavell hace el papel de Lord Jaspers (uncredited).
James Cairncross hace el papel de Mr. Jones (uncredited).
Frank Finlay interpreta a Booking Office Clerk (uncredited) en la película.
Robert Percival interpreta a Tory Politician (uncredited) en la película.
Ray Austin interpreta a Harry Craig (uncredited) en la película.
Derek Fowlds interpreta a Borstal Inmate (uncredited) en la película.
Billy Murray hace el papel de Borstal Inmate (uncredited).
Ernest Blyth interpreta a Army Officer at Sports Day (uncredited) en la película.
Jim Brady hace el papel de Man in Cafe (uncredited).
John Bull interpreta a Ronalds (uncredited) en la película.
Peter Duguid interpreta a Doctor (uncredited) en la película.
Charles Dyer hace el papel de Bit Part (uncredited).
Edward Fox interpreta a Extra (uncredited) en la película.
Brian Hammond interpreta a Johnny Smith - Colin's Brother (uncredited) en la película.
Victor Harrington interpreta a Army Officer at Sports Day (uncredited) en la película.
Aileen Lewis interpreta a Sports Day Spectator (uncredited) en la película.
Fred Machon interpreta a Borstal Master at Meeting (uncredited) en la película.
Philip Martin interpreta a Stacy (uncredited) en la película.
Christopher Parker interpreta a Bill Smith - Colin's Brother (uncredited) en la película.
Joe Phelps interpreta a Borstal Master in Workshop (uncredited) en la película.
Corin Redgrave interpreta a Spectator at Sports Day (uncredited) en la película.
Doug Robinson interpreta a Prison Warder (uncredited) en la película.
Robert Vossler interpreta a Plainclothes Policeman (uncredited) en la película.
John Wilder interpreta a Ranley Headmaster (uncredited) en la película.
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