Frank Sinatra was originally supposed to receive top billing in the film, but was reduced to third at the insistence of producer Howard Hughes.
Assisted by The Modernaires (who did not appear in the movie), Frank Sinatra and Jane Russell recorded a Columbia single of their cozy film duet, "Kisses and Tears" (music by Jule Styne, lyrics by Sammy Cahn). An earlier Sinatra-Page Cavanaugh Trio waxing of the ditty hadn't been issued by Columbia.
Filmed between November 22 and mid-December 1948, the movie was held back three years until its Manhattan opening at the Paramount Theatre on December 25, 1951.
Final film of director Irving Cummings.
The police report on Johnny says he "resembles Frank Sinatra".
The title "Double Dynamite" is a reference to Jane Russell's breasts, which are actually well covered throughout the movie.
Using the picture's original title, "It's Only Money," Jule Styne (music) and Sammy Cahn (lyrics) provided a comical song for Frank Sinatra and Groucho Marx (a duet) plus Jane Russell (a trio reprise).