I know what you’re thinking, and yes, that WAS slick. So very much.
Anyway, apparently Graham Chapman of the Pythons was the Sixth Inspector. And Stephen Fry was one of them. Seriously, utter madness. Check out the tvtropes page, the huge fandom tumblr, and if you’re really loving it, donate to the Kickstarter.
And all of that, once again, came from this:
Okay, I seriously need to stop thinking about this before I implode.