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