What happens when you mix Phyllis Diller, Jack E. Leonard, Jayne Mansfield, a bunch of beach-party rejects (who sing, unfortunately), and perhaps some really good reefer being smoked by some, if not all?
THIS....
I ran across this gem in this set....
The spy in question is Jack E. Leonard, who plays twin industrial spies, after a Fountain Of Youth formula. Phyllis Diller is in need of one.
From the same set, as a bonus, THE DEVIL'S PARTNER (1961)