Walter Hart Director Walter Sande B.M. 'Bull Moose' Brannigan Actor Cameron Mitchell Clyde Peeler , Narrator Actor William "Bill" Phillips Louie Brannigan Chief Henchman Actor Robert Lewis Kovak - Clyde's cellmate Actor Addison Richards Warden , Narrator Actor DeVallon Scott Screenwriter Alan Friedman Screenwriter Max Terr Original Music Charles Salerno Jr. Cinematographer Harry Komer Film Editing Richard Duce Art Director