Bullet Train is a 2022 American action comedy film starring Brad Pitt as an assassin who must battle fellow killers while riding a bullet train. The film was directed by David Leitch from a screenplay by Zak Olkewicz, and produced by Antoine Fuqua, who initially conceived the film. It is based on the 2010 novel Maria Beetle, written by Kōtarō Isaka and translated by Sam Malissa, the second novel in Isaka's Hitman trilogy, of which the first novel was previously adapted as the 2015 Japanese film Grasshopper. The film also features an ensemble supporting cast including Joey King, Aaron Taylor-Johnson, Brian Tyree Henry, Andrew Koji, Hiroyuki Sanada, Michael Shannon, Benito A. Martínez Ocasio, and Sandra Bullock.