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Benedict Cumberbatch on 12 Years' win

3 March 2014 Last updated at 09:44 GMT

Benedict Cumberbatch says 12 Years A Slave director Steve McQueen is a true artist.

The actor played a slave owner in the Oscar-winning movie.

He talked to the BBC's Lizo Mzimba on the red carpet of the Vanity Fair party.

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