Michael Redgrave

Ruxton Towers Reformatory Governor

Tom Courtenay

Colin Smith

Avis Bunnage

Mrs. Smith

Alec McCowen

Brown, House Master

James Bolam

Mike

Joe Robinson

Roach

Julia Foster

Gladys

James Fox

Willy Gunthorpe - Ranley School Runner (uncredited)

John Thaw

Bosworth (uncredited)

Arthur Mullard

Chief Borstal Officer (uncredited)

Philip Martin

Stacy (uncredited)

Peter Madden

Mr. Smith (uncredited)

Frank Finlay

Booking Office Clerk (uncredited)

Ray Austin

Harry Craig (uncredited)

Derek Fowlds

Borstal Inmate (uncredited)

Billy Murray

Borstal Inmate (uncredited)

Jim Brady

Man in Cafe (uncredited)

Charles Dyer

Bit Part (uncredited)

Edward Fox

Extra (uncredited)

Philip Martin

Stacy (uncredited)

Christopher Parker

Bill Smith - Colin's Brother (uncredited)

Corin Redgrave

Spectator at Sports Day (uncredited)