Michael Redgrave

Character: Ruxton Towers Reformatory Governor

Tom Courtenay

Character: Colin Smith

Avis Bunnage

Character: Mrs. Smith

Alec McCowen

Character: Brown, House Master

James Bolam

Character: Mike

Joe Robinson

Character: Roach

Dervis Ward

Character: Detective

Topsy Jane

Character: Audrey

Julia Foster

Character: Gladys

James Fox

Character: Willy Gunthorpe - Ranley School Runner (uncredited)

John Thaw

Character: Bosworth (uncredited)

Arthur Mullard

Character: Chief Borstal Officer (uncredited)

Philip Martin

Character: Stacy (uncredited)

John Brooking

Character: Green (uncredited)

Raymond Dyer

Character: Gordon (uncredited)

Anthony Sagar

Character: Fenton (uncredited)

Peter Kriss

Character: Scott (uncredited)

Peter Madden

Character: Mr. Smith (uncredited)

Dallas Cavell

Character: Lord Jaspers (uncredited)

James Cairncross

Character: Mr. Jones (uncredited)

Frank Finlay

Character: Booking Office Clerk (uncredited)

Robert Percival

Character: Tory Politician (uncredited)

Ray Austin

Character: Harry Craig (uncredited)

Derek Fowlds

Character: Borstal Inmate (uncredited)

Billy Murray

Character: Borstal Inmate (uncredited)

Ernest Blyth

Character: Army Officer at Sports Day (uncredited)

Jim Brady

Character: Man in Cafe (uncredited)

John Bull

Character: Ronalds (uncredited)

Peter Duguid

Character: Doctor (uncredited)

Charles Dyer

Character: Bit Part (uncredited)

Edward Fox

Character: Extra (uncredited)

Brian Hammond

Character: Johnny Smith - Colin's Brother (uncredited)

William Ash Hammond

Character: Johnny Smith - Colin's Brother (uncredited)

Victor Harrington

Character: Army Officer at Sports Day (uncredited)

Fred Machon

Character: Borstal Master at Meeting (uncredited)

Philip Martin

Character: Stacy (uncredited)

Anita Oliver

Character: Alice Smith - Colin's Sister (uncredited)

Christopher Parker

Character: Bill Smith - Colin's Brother (uncredited)

Joe Phelps

Character: Borstal Master in Workshop (uncredited)

Corin Redgrave

Character: Spectator at Sports Day (uncredited)

Doug Robinson

Character: Prison Warder (uncredited)

Robert Vossler

Character: Plainclothes Policeman (uncredited)

John Wilder

Character: Ranley Headmaster (uncredited)

Chris Williams

Character: Ranley Boy (uncredited)