WHEN the first Harry Potter film premiered way back in 2001, it launched three unknown children into superstardom. It also cemented the careers of several well-known stars, including Alan Rickman, Michael Gambon and Maggie Smith in the eyes of a younger generation.
But several of the key characters were almost played by different actors - who ended up missing out on the chance of a lifetime.
It's been 20 years since the series debuted in the cinemas and now the original cast are preparing for a reunion. Here we take a look at who almost played Harry, Hagrid and more - and why they didn't make the cut.
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