The future of Doctor Who has been the subject of a lot of discussion recently. According to reports, a decision has not been made on the future of the show after the current season.
Rumours have also swirled around whether Ncuti Gatwa could hang up the keys to the Tardis and be replaced - whether soon or later. The long-running sci-fi show does regularly switch its main character due to The Doctor’s regenerative abilities.
Six actors have played The Doctor as a lead role in the modern revived era - dating back to 2005 and Christopher Eccleston. While a surprise seventh doctor has also appeared from time to time.
But if Ncuti Gatwa was to leave Doctor Who, who are the runners and riders to potentially replace him? Gambling.com have taken a look and offered up the latest odds - and it includes plenty of surprises and some left field options.
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5. Matt Smith - 5/4
Could Matt Smith follow David Tennant's lead and make a surprise return to the Tardis. He had a popular spell as the 11th Doctor from 2010 to 2013 and is now 5/4 to be the next Doctor, via Gambling.com. He is currently starring in a Game of Thrones spin-off - but we all know how brutal those shows can be with character deaths! | Frazer Harrison/Getty Images Photo: Frazer Harrison/Getty Images
6. Erin Doherty - 11/10
Fresh off staring roles in Adolescence and Disney+'s A Thousand Blows, Erin Doherty is the bookies favourite to be the next Doctor Who. She is 11/10 to step into the Tardis according to Gambling.com. Erin would be the second female Doctor if this happened. | Kate Green/Getty Images Photo: Kate Green/Getty Images