Second Doctor
The Second Doctor is an incarnation of the Doctor, the protagonist of the BBC science fiction television series "Doctor Who". He was portrayed by character actor Patrick Troughton.
Jodie Whittaker
On 16 July 2017, the BBC announced that Whittaker would become the thirteenth and first female incarnation of The Doctor in the British TV series "Doctor Who". She formally assumed the role from Peter Capaldi in the 2017 Christmas special episode "Twice Upon a Time" when Capaldi's Twelfth Doctor regenerated into Whittaker's Thirteenth Doctor. Whittaker appears in her first full series as the Doctor in the eleventh series, which premiered in October 2018. She is set to continue in the role in the twelfth series in 2020.