Whittaker is best known for her role in ITV crime drama "Broadchurch." She succeeds Peter Capaldi, who makes his final appearance when he regenerates into the new female incarnation in a Christmas special, the broadcaster said.
"I'm beyond excited to begin this epic journey ... with every Whovian on this planet," the BBC quoted Whittaker as saying.
"It's more than an honour to play the Doctor. It means remembering everyone I used to be, while stepping forward to embrace everything the Doctor stands for: hope. I can't wait.
"It feels completely overwhelming; as a feminist, as a woman, as an actor, as a human, as someone who wants to continually push themselves and challenge themselves, and not be boxed in by what you’re told you can and can’t be.
"It feels incredible.
"To be able to play someone who is literally reinvented on screen, with all the freedoms that brings - what an unbelievable opportunity.
"And added to that, to be the first woman in that role."
She will be the 13th Doctor Who, a science fiction time traveller who regularly regenerates, allowing the leading actor to be replaced.
Capaldi, famous for his role as foul-mouthed spin doctor Malcolm Tucker in the political satire "The Thick of It," has played the role since 2013.
The BBC made the announcement in a trailer for the show that ran immediately after the Wimbledon men's singles tennis final, which was won by Roger Federer.
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"I'm beyond excited to begin this epic journey ... with every Whovian on this planet," the BBC quoted Whittaker as saying.
"It's more than an honour to play the Doctor. It means remembering everyone I used to be, while stepping forward to embrace everything the Doctor stands for: hope. I can't wait.
"It feels completely overwhelming; as a feminist, as a woman, as an actor, as a human, as someone who wants to continually push themselves and challenge themselves, and not be boxed in by what you’re told you can and can’t be.
"It feels incredible.
"To be able to play someone who is literally reinvented on screen, with all the freedoms that brings - what an unbelievable opportunity.
"And added to that, to be the first woman in that role."
She will be the 13th Doctor Who, a science fiction time traveller who regularly regenerates, allowing the leading actor to be replaced.
Capaldi, famous for his role as foul-mouthed spin doctor Malcolm Tucker in the political satire "The Thick of It," has played the role since 2013.
The BBC made the announcement in a trailer for the show that ran immediately after the Wimbledon men's singles tennis final, which was won by Roger Federer.
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