The Doctor (Doctor Who) credits Tennant as "Doctor Who". The credit reverted to "The Doctor" for 2005's Christmas special "The Christmas Invasion" and all subsequent stories at Tennant's request. Matt Smith, Peter Capaldi and Jodie Whittaker have continued to be credited as "The Doctor". John Hurt plays a mysterious past incarnation of the Doctor in the 50th anniversary special "The Day of the Doctor", with minor roles in "The Name of the Doctor" and mini-episode "The Night of the Doctor", created as a "mayfly Doctor" by Steven Moffat. In the television episodes, he is credited as "The Doctor", but he is introduced as "The
First Doctor "Listen" (2014), portrayed by an uncredited Michael Jones. In the Big Finish audio drama "The Light at the End" the First Doctor is portrayed by William Russell, who also played Ian Chesterton in both the show and the audio dramas. Russell and fellow co-star Peter Purves (who played Steven Taylor) have performed numerous other audio plays set during this era, usually narrating the stories and doing an impression (rather than an impersonation) of the Doctor's voice while reciting his lines. In the series 10 finale "The Doctor Falls", David Bradley appeared as the First Doctor, confronting his twelfth incarnation as