Mickey Rooney attempted to withdraw from the production, but producer Samuel H. Stiefel held him to his contract.
(At around 24 minutes) In the bar scene, there are cases of Pepsi in the background. The ditty Shorty sings on the way to his car is the Pepsi jingle of the era with different lyrics.
The service facility appears to be associated with a Studebaker dealership, as nearly all of the vehicles on the lot, and many in the service bays, are Studebakers of that era.
This film has one of the first examples of product placement with a box of Bit-O-Honey candy bars by Jeanne Cagney's cash register.