Versatile actor with a magnificent presence who starred in The Singing Detective and the Harry Potter filmsThe word "great" is somewhat promiscuously applied to actors. But it was undoubtedly deserved by Sir Michael Gambon, who has died aged 82 after suffering from pneumonia. He had weight, presence, authority, vocal power and a chameleon-like ability to reinvent himself from one role to another. He was a natural for…
