A prison uprising and hostage-taking incident serves as camouflage for a daring escape plan in this gripping "big house" thriller from producer William Castle. Gene Hackman plays the mastermind of the siege, and Jim Brown is an inmate reluctantly drawn into the breakout. Can the men overcome the odds and somehow reach freedom? With Mike Kellin, Gerard S. O'Loughlin, Ben Carruthers. 96 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital stereo.