From the first actor, William Hartnell, to returning star David Tennant and the first female Doctor, Jodie Whittaker, viewers ...
This month, BBC's long-running sci-fi and fantasy show Doctor Who will be celebrating its 61 year as the programme first aired back on 23 November 1963.
Doctor Who has been a consistent part of many lives for decades, with 15 actors having taken on the iconic role of the Time Lord - and we take a look at what they've been up to since.
The Doctor has encountered many faces during his travels, and sometimes, he encounters them more than once.