He is best known for his role as Eric Effiong on the Netflix series Sex Education.
Ncuti Gatwa says he can "finally breathe" following the announcement he is the new Doctor after being cast in the role months ago.
The 29-year-old will become the 14th Timelord after Jodie Whittaker announced her departure.
The Scottish actor has starred as Eric Effiong in Netflix's hugely popular Sex Education.
Returning writer Russell T Davies says Ncuti's audition for Doctor Who was phenomenal:
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