The "predecessor" of "Casino Royale" that I watched last month, with a similar crew, but this time written entirely by Woody Allen, so it wasn't such a mess, and again, what the hell did I see in it in the first place when I went to the cinema on its release.
Basically, you have Peter O'Toole who has women throwing themselves at him (he calls them all Pussycat), who goes to see a psychoanalyst played by Peter Sellers who can't get enough of "it", which makes the Sellers character even more sexually frustrated at how easy O'Toole gets the opposite sex in bed without even trying, so he decides to stick by O'Toole and makes him a special client/case to see how he does it.
Woody Allen works as a dresser in a hot strip club where he is surrounded by a bevy of near naked ladies - he says he gets paid 20 francs a night (did I mention it was all set in France) to which O'Toole says "Only 20 francs!?" "Yes" says Allen, "that's all I can afford"
Throw in masses of scantily clad gorgeous young women ,with famous faces of the time such as a near naked Ursula Undress and you have a comedy sex romp.
Not bad and slightly better than "Casino Royale" imo.
Oh and blink, and you will miss the very fleeting cameo of an uncredited Richard Burton, who has one very short line.