Stormbreaker is a 2006 action spy film directed by Geoffrey Sax. The screenplay by Anthony Horowitz is based on his 2000 novel Stormbreaker, the first novel in the Alex Rider series. The film stars Alex Pettyfer as Alex Rider, and also stars Mickey Rourke, Bill Nighy, Sophie Okonedo, Alicia Silverstone, Sarah Bolger, Stephen Fry and Ewan McGregor. Stormbreaker was an international co-production between companies and financiers from the United Kingdom, the United States, and Germany.

Anthony John Horowitz is an English novelist and screenwriter specialising in mystery and suspense. His works for children and young adult readers include the Alex Rider series featuring a 14-year-old British boy who spies for MI6, The Power of Five series, and The Diamond Brothers series.