Alfie Allen was born on September 12, 1986in Hammersmith, London, the son of film producer Alison Owen and Welsh-born actor Keith Allen. His early work included small roles in Agent Cody Banks 2: Destination London, directed by his uncle Kevin Allen, the film Atonement and in BBC1's historical hospital drama, Casualty 1907, as Nobby Clark. Starting in Chichester on 31 January 2008, he took over Daniel Radcliffe's role in a revival of Equus on a nationwide tour. In April 2009, he co-starred with then partner Jaime Winstone in the music video for "Dust Devil" by Madness. He also had a role in the BBC2 film, Freefall. Originally auditioning for the role of Jon Snow, Allen came to international attention when he was cast as Theon Greyjoy in the HBO medieval fantasy series Game of Thrones in 2011. He has continued to work in films, appearing in Soulboy, The Kid, Freestyle and Powder in 2010. In 2012, he starred in the British thriller Confine.

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