Someone in Mexico took exception to the idea of their country being a place for quickie divorces or marriages, and convinced the government to block Frank Sinatra (for a time) from entering Mexico, even though he owned property there.
Even though it starred Dean Martin and Frank Sinatra, neither of them sang any songs nor were any of their hit songs featured in this movie.
Nancy Sinatra was nervous acting opposite father Frank Sinatra for the very first time. But worse than that, she was in the midst of a devastating divorce from first husband Tommy Sands, later saying that it was a good time for all the fellas on the set, but she herself was extremely troubled.
When Nancy Sinatra and her girlfriend are looking over various LPs scattered on the bed, the records all are on the Reprise label, which her father started in 1960.