Peter Capaldi, who was the bookies' favourite, is the first Oscar winner to take on the role of Doctor Who.
He said: "Being asked to play The Doctor is an amazing privilege. Like the Doctor himself I find myself in a state of utter terror and delight. I can't wait to get started."
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.