The outgoing Doctor Who, Matt Smith, welcomed the decision to cast Peter Capaldi.
In a pre-recorded message he said: "I just want to wish my successor all the best and just say good luck and good on you for getting it, because I know he is both a huge fan of the show and a really nice guy.
"The casting of it made me really excited genuinely, and as a fan I think it's a really canny choice, so good luck mate, it's going to be a thrill."
Glasgow-born actor and Oscar winner Peter Capaldi has been unveiled as the 12th incarnation of Doctor Who.
The identity of the Doctor to replace Matt Smith will be announced on television tonight with Peter Capaldi still the bookmakers' favourite
Betting on the next Dr Who has been suspended by a bookmaker after unconfirmed reports that Rory Kinnear has been offered the role.