Twice Upon a Time (Doctor Who) and Time". This makes him the third actor to play the role in the television programme, after William Hartnell and Richard Hurndall (in 1983's "The Five Doctors") since the premiere of "Doctor Who" in 1963. Bradley previously played Solomon in the 2012 episode "Dinosaurs on a Spaceship". The first trailer for the episode was shown during the 2017 San Diego Comic-Con, revealing the return of Polly, a companion from the end of William Hartnell's tenure as the First Doctor, portrayed by Lily Travers, and Pearl Mackie as Bill Potts. Also confirmed were appearances by Toby Whithouse, writer of seven episodes
Doctor Who (series 12) her second series as the Thirteenth Doctor, the most recent incarnation of the Doctor, an alien Time Lord who travels through time and space in their TARDIS, which appears to be a British police box on the outside. The series also stars Bradley Walsh, Tosin Cole and Mandip Gill as the Doctor's travelling companions, Graham O'Brien, Ryan Sinclair and Yasmin Khan, respectively. The twelfth series was originally reported to be broadcast in late 2019 by "Starburst"; instead, the BBC confirmed after the eleventh series' finale that the series will premiere in early 2020. Ed Hime is set to write an