<P> Socha appeared in BBC Three's hit supernatural series Being Human in 2011, receiving good critical notice as the innocent young werewolf Tom McNair . He almost did not appear on the show . He missed his audition after a taxicab hit him and fled the scene while he was helping a friend move furniture across a road in Normanton . Although only bruised, he missed his audition and had to plead for a second chance . He won the role of Tom, a young werewolf who has been brought up in the wild by his father and taught to hunt vampires . During his time on Being Human, Socha says he became good friends with Russell Tovey and co-star Robson Green . Socha has admitted that he can get carried away while performing some of his more physically demanding scenes . On another occasion, acting out a werewolf transformation in a metal cage, he almost injured himself after his physical acting became too extreme . He has received at least seven minor injuries requiring medical treatment and reporting to authorities . </P> <P> Socha was upgraded from a recurring role to the main cast for the fourth series of Being Human, after the previous main cast, including Tovey, left the show . The fourth series started airing in February 2012 . He also appeared in the music video to the Jake Bugg song "Seen It All" and in the music video to the Lauren Pritchard song "Stuck". </P> <P> In 2013, Socha portrayed the Knave of Hearts in Once Upon a Time in Wonderland, a spin - off to the ABC fantasy series Once Upon a Time . He also starred in Chris Coghill's film Spike Island, based upon The Stone Roses gig of the same name . After Once Upon a Time in Wonderland's cancellation, it was confirmed that Socha would be a main cast member in the fourth season of Once Upon A Time . </P> <P> He also starred in the film Svengali in which he played a guitarist in a band and in the film Twenty8k in which he played a drug dealer . </P>

Who plays will scarlet in once upon a time
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