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 in Australia ranging from 3:50am to 6:50am. From 8:30am the episode was available via iView and was subsequently broadcast in prime-time at 7:30pm that night, then replayed on ABC2 at 7:30 the following night. There was also a limited run of 3D cinema screenings of "The Day of the Doctor" around the country. ABC1 paired "The Day of the Doctor" with "An Adventure in Space and Time", the feature-length drama that recreated "Doctor Who's" formative years. It had its ABC1 premiere at 8:50pm, immediately following "The Name of The Doctor", as well as an encore screening at 1pm the following day. At