Doctor Who writer Russell T Davies has revealed the ‘spectacular operation’ it took to keep Ncuti Gatwa’s casting as the new Time Lord a secret. The Sex Education star was announced as the 14th Doctor earlier this month, taking over from Jodie Whittaker. While he announced the exciting news on the day of the Bafta awards, Ncuti had actually known the role was is since February, and it’s been a secret ever since.