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Rex Features
Channing-Williams collaborated with filmmaker Mike Leigh on a number of movies, including Vera Drake, Happy Go Lucky and Secrets And Lies.
He also worked on the Oscar-winning Fernando Meirelles adaptation of John Le Carré's The Constant Gardener.
Leigh said: "He battled cancer very bravely for nearly five years. His great phrase was 'let's just get on with things' and right almost to the last he was still working.
"He was a very extraordinary big man and he will be missed universally."
More: Simon Channing-Williams, Movies
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