Lisa Howard (who plays Janet Cullen) was married to director Felix E. Feist at the time of this film, went on to greater fame as a journalist who scored key early interviews with Nikita Khrushchev and Fidel Castro.
Jack Warner Jr. believed Lee J. Cobb would be able to carry off the romantic leading man role, as he was just coming off one of the most celebrated runs on Broadway, as Willy Loman in Arthur Miller's "Death of a Salesman". Warner believed this was a casting coup that would translate into "big box office". It didn't.
According to Eddie Muller, Jack Warner Jr. casting Jane Wyatt, one of Hollywood's most wholesome actresses, as a homicidal socialite was unexpected: "To say this role fit her like a glove, I'd have to be talking about a big old catchers mitt, or a boxing glove."
Ed drives a 1950 Chevrolet Fleetline Deluxe. The car he tries to flee in is a 1950 Nash Ambassador.
This film has been restored and preserved by the UCLA Film and Television Archive and the Film Noir Foundation in 2018.