The film had its World Premiere on 8 September 1966 at the Warner Theatre in the West End of London.
Kaleidoscope 1966 opening title
After leaving his lover Angel McGinnis behind in London, rich playboy Barney Lincoln breaks into a playing card manufacturer in Geneva to mark the cards and then break the bank at every European casino.
Barney meets up with Angel again in Monte Carlo, where he wins a great deal of money. But her suspicions after he left England caused her to consult her father, a detective from Scotland Yard, who forces Barney to help him catch a smuggler named Harry Dominion who has a weakness for gambling.