At the start of the film, two burglars, played by Tammany Young and Walter Brennan(!), break into Ambrose's cellar late at night, get drunk on his homemade applejack, and start singing "On the Banks of the Wabash, Far Away"; Ambrose is forced to handle the situation, and he winds up being arrested for distilling liquor without a license.
Sometimes also referred to as the: Baker Boy, Apple Cap, Eight Piece Cap, Eight Panel, Cabbie, Jay Gatsby (from The Great Gatsby), Fisherman's Cap, Pageboy, Applejack Hat and Lundberg Stetson.
Several of his stage works (such as Captain Applejack, Freedom of the Seas, Regeneration, Hyde Park Corner, The Gay Adventure, 77 Rue Chalgrin, The Barton Mystery, It Pays to Advertise, 77 Park Lane, It Pays to Advertise and Other Men's Wives) were adapted for film.