Knockout film noir from director Fritz Lang stars Glenn Ford as Dave Bannion, a no-nonsense cop investigating the suicide of another cop. Bannion’s findings reveal that the cop's suicide note cited widespread corruption under the guidance of a ruthless mob boss (Alexander Scourby). Danger and murder follow Bannion as he delves deeper into the case. Gloria Grahame and Lee Marvin also star. 89 min. Standard; Soundtrack: English Dolby Digital mono; Subtitles: English (SDH); audio commentary; featurettes; isolated music score; photo gallery; theatrical trailer. Region Free