The BBC revealed the new face of the legendary Timelord in a brief video clip on BC One after this afternoon's Mens' Singles Final at Wimbledon.
Whittaker has described becoming the first woman to play the lead role in Doctor Who as "completely overwhelming".
She said: "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."
She said: "Because this is a really exciting time, and Doctor Who represents everything that's exciting about change. The fans have lived through so many changes, and this is only a new, different one, not a fearful one."
The 35-year-old's first major role came in 2006 when Whittaker co-starred as Jessie/Venus in the film Venus. In 2009, she worked on the film Ollie Kepler's Expanding Purple World, the BBC2 drama Royal Wedding, and the short film Wish 143, which was nominated for an Oscar at the 83rd Academy Awards.
In 2010, Whittaker appeared in the film The Kid and co-starred in BBC1's Accused. She appeared in the 2009 Irish comedy crime film Perrier's Bounty. In 2011, she appeared as Viv in the BBC adaptation of Sarah Waters's novel The Night Watch and the cult film Attack the Block.
In 2013, Whittaker starred in the ITV detective drama Broadchurch, alongside previous Doctor Who star David Tennant. In January 2014, she starred in the reality-based spy drama miniseries The Assets on ABC.
Whittaker, who featured in all three seasons of Broadchurch as Beth Latimer, will team up with the drama's creator Chris Chibnall as he takes over from Steven Moffat as executive producer of Doctor Who.
She will take over from current Doctor Peter Capaldi as the 13th reincarnation of the Time Lord. Capaldi, who first stepped into the Tardis in 2013, will be seen for the last time by viewers in the 2017 Christmas special.