Doctor Who returned last month for the first of three 60th anniversary specials with David Tennant returning in the lead role.
The 52 year old actor is arguably the most popular Doctor Who ever - having played the tenth incarnation of the beloved character from 2005 to 2010 before coming back to star as the Fourteenth Doctor in November.
The Doctor Who character has become iconic since the hit BBC sci-fi show first aired in 1963 and more than a dozen actors have played the part over the years.
Ncuti Gatwa, star of Netflix show Sex Education, is to take on the role at Christmas becoming the Fifteenth Doctor.The part can define an actor’s career but it has not always been plain-sailing for those who decided to take it on.
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