Daniel Radcliffe, who played Harry Potter alongside Richard Griffiths, led tributes to the actor whose "encouragement, tutelage and humour" made work a joy to work with.
Richard was by my side during two of the most important moments of my career.
In August 2000, before official production had even begun on Potter, we filmed a shot outside the Dursleys', which was my first ever shot as Harry. I was nervous and he made me feel at ease.
Seven years later, we embarked on Equus [at the Gielgud Theatre in London] together. It was my first time doing a play but, terrified as I was, his encouragement, tutelage and humour made it a joy.
In fact, any room he walked into was made twice as funny and twice as clever just by his presence. I am proud to say I knew him.
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