In the famous scene in which the hat-check girl exclaims over Maudie's (Mae West) jewels, "Goodness, what beautiful diamonds," and Maudie replies, "Goodness had nothing to do with it, Dearie" the diamonds Mae West was wearing were real, and her own.

Feature film debut of Mae West. George Raft (Joe Anton) also appeared with her in her final film, Sextette (1977).

The $200,000 Joe agrees to sell his speakeasy for would equate to over $3.5M in 2016.

One of over 700 Paramount productions, filmed between 1929 and 1949, which were sold to MCA/Universal in 1958 for television distribution, and have been owned and controlled by Universal ever since. Its earliest documented telecasts took place in Los Angeles Friday 13 November 1959 on KNXT (Channel 2), in San Francisco 5 December 1959 on KPIX (Channel 5), and in Philadelphia 11 April 1960 on WCAU (Channel 10). It was released on DVD 4 April 2006 as one of five titles in Universal's Mae West: The Glamour Collection, and again 8 March 2016 as one of nine titles in Universal's Mae West: The Essential Collection. Since that time, it has also had an occasional airing on cable TV on Turner Classic Movies.

The song "Louise," written by Richard Whiting (music) and Leo Robin (lyrics) for Maurice Chevalier's U.S. film debut, "Innocents of Paris" (1929), is heard in the trailer for "Night After Night" but not in the actual film.

Years later in a interview about Mae West, George Raft said that Mae West stole everything but the camera.

According to Dr. Jim Tucker in his book "Return to Life", although Marty Martyn is credited as portraying a character named "Malloy" this character is never named in the final version of the film, although the actor can be identified in both scenes from the film as well as publicity photos.

Debut of actress Patricia Farley.