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Ewan McGregor: 'I can't shave my beard'

20 November 2012 Last updated at 13:09 GMT

Hollywood actors Naomi Watts, Ewan McGregor and Tom Holland were in London for the premiere of their latest film, The Impossible.

The film tells the true story of Spaniard Maria Belon and her family, who were holidaying in Thailand in 2004 when the tsunami struck.

At the UK premiere, Ewan McGregor spoke to the BBC's Sophie van Brugen about his beard.