A convicted bank robber, serving his sentence and yearning for freedom, becomes entangled with a psychotic, homicidal inmate. This inmate turns on him, terrorizing his wife and murdering his friends.

Hugh O'Brian
as Daniel Slade Hardy

Robert Evans
as Felix Griffin

Dolores Michaels
as May Matthewson

Linda Cristal
as Elena Hardy

Stephen McNally
as Marshal Frank Emmett

June Blair
as Saloon Girl

Edward Andrews
as Judge Parker

Ron Ely
as Deputy Jim Dyer

Ken Scott
as Paul Finney

Emile Meyer
as Ames, Head Prison Guard