I shook hands with him at a sci-fi convention once and got his autograph. Trekker heaven.
Kirk: "Mister Scott, you old space dog. You're well?"
Scott: "I had a wee bout, sir, but uh, Doctor McCoy pulled me through."
Kirk: "Wee bout of what?"
McCoy: "Shore leave, Admiral."
Kirk: "Oh, I see."
At least Nemoy only did a cameo shot. Of course, I can't watch A&E history specials without imagining them being narrated by Mr. Spock in the old blue uniform now.