A gang of small-time criminals is sent to an experimental prison where inmates are to be reformed, not punished. The gang leader wields his manipulative charm to take control.
Anthony Newley
Anne Aubrey
Bernie Winters
James Booth
Harry Andrews
Al Mulock
Derren Nesbitt
Niall MacGinnis
Victor Brooks
Ian Hendry
Kynaston Reeves
Barry Keegan
Diana Chesney
Andria Lawrence