A psychologist takes on the daunting task of getting into the mind of prisoners. He must gain the trust and cooperation from a group of men who have no reason to help him and who might enjoy killing him.
Millard Mitchell
James T. Connie
Gilbert Roland
Punch Pinero
John Beal
Dr. Wilson aka Doc
Marshall Thompson
Blivens Scott
Alf Kjellin
Clem Randall
Harry Morgan
Dawson
Jay Adler
Steve Kopac
Regis Toomey
Dr. Gordon
