The Honeymoon Machine (1961)
The Honeymoon Machine is a 1961 film directed by Richard Thorpe and starring Steve McQueen, Brigid Bazlen, Jim Hutton, Paula Prentiss, Jack Mullaney, and Dean Jagger, based on the 1959 Broadway play The Golden Fleecing by Lorenzo Semple Jr.. In the film, three men devise a plan to win at roulette with a United States Navy computer. The scheme works until an admiral ruins their plans.
More at Wikipedia.