You can tell a good actor if he's listening to the other people in the scene. When you looked at Bob, you could see the wheels going around in his head.
When you say the name Gilligan, you know who that is. If a show is good, if it's written well, you should be able to erase the names of the characters saying the lines and still be able to know who said it. If you can't do that, the show will fail.
He was, first of all, a good friend of mine; he wasn't just an actor who worked on my show,