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
S. J. Watson S. J. Watson Steve "S. J." Watson (born 1971) is an English writer. He debuted in 2011 with the thriller novel "Before I Go to Sleep". Rights to publish the book have been sold in 42 different countries around the world and it has gone on to be an international bestseller. Watson was born in Stourbridge, in the West Midlands. He studied Physics at the University of Birmingham and then moved to London, where he worked in various hospitals and specialized as an audiologist in the diagnosis and treatment of hearing-impaired children. In the evenings and weekends he wrote fiction.