Harry Potter and the Deathly Hallows – Part 1 is a 2010 fantasy film directed by David Yates and the first of two films based on the novel of the same name by J. K. Rowling. It is the seventh instalment in the Harry Potter film series, written by Steve Kloves and produced by David Heyman, David Barron and Rowling. The story follows Harry Potter on a quest to find and destroy Lord Voldemort's secret to immortality – the Horcruxes. The film stars Daniel Radcliffe as Harry Potter, alongside Rupert Grint and Emma Watson as Harry's best friends Ron Weasley and Hermione Granger. The supporting cast features Ralph Fiennes, Helena Bonham Carter, and Alan Rickman.