I met Rupert Graves (Lestrade in Sherlock) this summer, he was on vacation in Quebec city and came to visit the art gallery I work at. I look like shit on that picture but oh well. I gave them a tour of the gallery then politely asked him if I could have an autograph (and my boss took a picture.)
He came in with his five kids and his wife and I spent most of my time explaining to his kids that there were sadly no polar bears in the city (I work at an Inuit art gallery and we have a lot of polar bear sculptures.)
They left and came back five minutes later to buy a small sculpture. I was nervous but Mr. Graves was adorable and very nice.