When Lee J. Cobb (Inspector Koch) was called before the House Un-American Activities Committee (aka House Committee on Un-American Activities) in 1953 and given a chance to 'clear his name' by naming communists he had known, Cobb named Shimen Ruskin who plays the dry cleaner in this film. Many of his fellow actors never forgave Cobb for this.
According to Columbia's press releases, the film's casino set was the most expensive set constructed in Hollywood since the end of the war. During WW2, the government limited the amount that could be spent on set construction to $5,000 in order to help ration building materials. The set comprised 14 gaming rooms featuring $50,000 (over $727,000 in 2025) worth of Las Vegas gambling equipment that was shipped to Hollywood. It actually belonged to the producers' casino in Vegas, and Columbia rented it from them.
Screen debut of actor Jeff Chandler. Dick Powell acted on radio with Chandler and was impressed by the young actor. Chandler later recalled, "It was Dick who took me to Columbia and told everybody who would listen, 'This kid ought to be in pictures.' One executive finally kinda gave him a look which said: 'All right you --- ---, we'll put him in yours.' And that's how I came to play a gambler in a card-playing sequence."
On 12 May 1947, Lux Radio Theater presented a version of this story. Dick Powell and Lee J. Cobb reprised their roles for the live radio broadcast.
Johnny's car is a 1941 Cadillac Series 62 convertible coupe.