The Doctor Falls the episode, the Doctor (Peter Capaldi) must save himself and the remaining human population of a gigantic colony ship from Mondas, while also dealing with two different incarnations of the Master (Michelle Gomez and John Simm) at once. The episode features a cameo from the First Doctor, now portrayed by David Bradley. He had previously played William Hartnell, the original First Doctor actor, in the 2013 "Doctor Who" docudrama "An Adventure in Space and Time". Aboard the colony ship reversing from the event horizon of a black hole, the Doctor finds Bill has been converted into a Cyberman. The Master
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