When he looks around the gloomy gold mine, Dean Martin says, "Reminds me of my hotel room in Steubenville." Martin's real-life home town was Steubenville, Ohio.
The previous year Martin and Lewis had made an uncredited gag appearance in Bing Crosby and Bob Hope's "The Road to Bali." Hope and Crosby return the favor with a cameo in this film.
At the club Mary receives a note from Larry that he can't make the date, she writes on (what looks like a show bill) three words (two on top line one on bottom) quickly scrawled but when we see a close up its written very clearly it reads: "Forgive me for running away-"