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
The Doctor (Doctor Who) the regions" with a Scottish one, and so asked Tennant to affect the same accent he used for the earlier BBC period drama "Casanova". In contrast, Peter Capaldi was explicitly allowed to continue using his native Scottish accent as the Twelfth Doctor. In the Big Finish audio adventure "The Sirens of Time", the captain aboard a German U-boat assumes he is English because of the way he pronounces his words: "So, you speak German ... but you speak it like an English gentleman." The Doctor's clothing has been equally distinctive, from the distinguished Edwardian suits of the First Doctor to