Add this to list of people officially not involved in the 50th Anniversary Special: Karen Gillan. In a Radio Times interview, Gillan said:
I’m not in it, just to put that out there. I think I’m going to be in America, so I’ll probably round up all the people who like to watch Doctor Who in the area. We’ll probably watch it and drink PG Tips and eat Jammy Dodgers, if I can get them.