<P> In 2014, Williams portrayed Lydia in the British film The Falling, which premiered on 11 October 2014, and was released on 24 April 2015 in the UK . In December, Williams was in talks with Naughty Dog to star as Ellie in the film adaptation of the video game The Last of Us . </P> <P> In January 2015, Williams appeared in one - off Channel 4 docu - drama Cyberbully, and in February she received European recognition with a Shooting Stars Award at the 65th Berlin International Film Festival . In February 2015, Williams played the leading role in the video clip of "Oceans" by British band Seafret . The theme of this clip is also bullying . </P> <P> On 30 March 2015, the BBC announced that Williams would guest star in two episodes of Doctor Who ("The Girl Who Died" and "The Woman Who Lived"). Williams later returned to the series in the first and third episodes of the three - part series finale, entitled "Face the Raven" and "Hell Bent" respectively . </P> <P> In 2018, Williams is set to star as Wolfsbane in the superhero film New Mutants . </P>

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