Daniel Radcliffe reveals how Sir Michael Gambon pranked him on the set of Harry Potter following the star's death aged 82

With ‘Merrily We Roll Along,’ Daniel Radcliffe, Jonathan Groff and Lindsay Mendez Give a Notorious Musical Flop the Glorious Revival It Deserves

Harry Potter stars we've tragically lost as fans pay tribute to Dumbledore's Michael Gambon

‘Harry Potter’ Stars Honor Dumbledore Actor Michael Gambon After His Death