The Biggest, Toughest Thriller Of Them All! A raw, violent world of caged men unleashed! Killers and lifers blasting over the big wall!

A crime boss tries to cause a riot and prison break while behind bars.

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Main Cast: Gene Evans, Robert Blake, Timothy Carey, John Qualen, Sam Edwards, John Dennis, Walter Barnes, Frank Richards, Emile Meyer, Arline Hunter

Director: R.G. Springsteen

Writers: Daniel James, Eugène Lourié

Editor: William Austin

Cinematographer: William Margulies

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