by Alfonso Cuarón; Steven Kloves; David Heyman; Chris Columbus; Mark Radcliffe; Daniel Radcliffe; Rupert Grint; Emma Watson; Julie Christie; Robbie Coltrane; Michael Gambon; Richard Griffiths; Gary Oldman; Alan Rickman; Fiona Shaw; Maggie Smith; Timothy Spall; David Thewlis; Emma Thompson; J K Rowling; Warner Bros. Pictures (1969- ),; 1492 Pictures,; Heyday Films,; P of A Productions (Firm),; Warner Bros. Home Entertainment (Firm),;