Existenz is a 1999 science fiction horror film written, produced and directed by David Cronenberg. The film follows Allegra Geller, a game designer who becomes the target of assassins while playing a virtual reality game of her own creation. An international co-production between Canada, the United Kingdom, and France, it also stars Jude Law, Ian Holm, Don McKellar, Callum Keith Rennie, Sarah Polley, Christopher Eccleston, Willem Dafoe, and Robert A. Silverman.