Although the idea of casting a woman as the Doctor had been suggested by the show's writers several times, including by Newman in 1986 and Davies in 2008, until 2017, all official depictions were played by men.
Selvom idéen om at caste en kvinde som Doktoren var blevet foreslået af showets forfattere gentagende gange, inklusiv af Newman i 1986 og Davies i 2008, blev alle officielle versioner indtil 2017, spillet af mænd.