Cara Delevingne, to name another. Each of the HP core cast have had unrelated roles where they do - Emma Watson (The Perks Of Being A Wallflower), Rupert Grint

Cara Delevingne, to name another. Each of the HP core cast have had unrelated roles where they do - Emma Watson (The Perks Of Being A Wallflower), Rupert Grint (Servant) and Daniel Radcliffe (Horns).