When Stanley first introduced in the show, he's married with two daughters. Of course, it's more interesting to have him play a swinging single, and so he does at a singles club.
Jonathan telegraphed his punch, yet still took the bad guy by surprise.
There's an obvious stunt double for Robert Wagner on the jet ski and boat.
Stanley is three inches shorter than his supposed victim, yet the police find it plausible that he could have strangled him.