 Producer Walter Wanger (qv) served a four month prison term for  shooting Jennings Lang (qv) whom he suspected of having an affair  with his wife, Joan Bennett (I) (qv). The experiences he had in  prison so unnerved him that upon his release he resolved to make a  film about what prison was "really" like, not the typical Hollywood  prison film made by people who had never been anywhere near a prison  or who had never had any experience with the justice system. He shot  the film at Californias Folsom Prison and used both guards and  inmates as extras and technical advisors. Wangers cast and crew  also differed from the Hollywood "norm"; among them were actor  Neville Brand (qv), a Marine veteran of WW II who had killed  dozens of Japanese soldiers in battle and was the third most  decorated American soldier of the war; actor Leo Gordon (I) (qv),  another combat veteran who had once served a stretch in Folsom  Prison for armed robbery; and then