Director Bryan Foy had no previous experience directing features. He had been a gag writer and supervised a multitude of Vitaphone musical shorts shot in New York.
Eddie is told to stay away from "the roaring forties", meaning the Times Square (42nd St.) area of NYC., then and for many later years known as an entertainment district and for its' wild night life. The free spirited decade of the 1920s can be described in the same vein, as "roaring".
Microphones were strategically placed on sets. One noticeable microphone was in the telephone on Hawk's desk.
Originally approved for production as a 2-reeler. Albert Warner approved expanding it to a 57-minute feature despite an untested director. It's $75,000 cost returned $2 million to the studio.
The first feature film with all synchronous dialogue.
Vitaphone production reels #2531-2537