1) Yep, knew that one. He was the Priest, right?

2) That, I did not know. Cool!

Troughton was one of three actors that wasn't typecast by the role of The Doctor (Davison and McGann being the other two). He is infamously known for being mostly-drunk during every known interview he gave. I've seen one of them. He's fucking hilarious, throwing mints at the cameramen and playing around with his clip-mic (purposefully breathing heavily into it during questions). It's always been theorized that if he had played the role as himself, his Doc would have been "Tom Baker" about a decade early...