The Zero Theorem is a 2013 science fiction film directed by Terry Gilliam, starring Christoph Waltz, David Thewlis, Mélanie Thierry and Lucas Hedges. Written by Pat Rushin, the story is about Qohen Leth (Waltz), a reclusive computer genius tasked with solving a formula that will determine whether life holds meaning. The film began production in October 2012.