Kansas City Confidential is a 1952 film noir crime film directed by Phil Karlson and starring John Payne, Coleen Gray, Preston Foster, Neville Brand, Lee Van Cleef and Jack Elam. The film was released in the United Kingdom as The Secret Four . Karlson and Payne teamed up a year later for 99 River Street, another noir, followed by a 1955 color film noir, Hell's Island. This film is now in the public domain.
(Summary from Wikipedia)
Copyright Info: This movie is in the public domain and is legally available for free on YouTube.