Tom Felton has been forced to put a temporary stop to people signing up to his fan club because it's so popular.
The Potter star, who has only just launched his site, posted a message saying: "Whoops! Over a thousand people signed up in the first 12 hours.
"I have had to suspend sign ups till we catch up with the backlog."
Tom, who plays Harry's arch rival Draco Malfoy in the Harry Potter films, also says he's working on ideas to develop the club with his mum.