The Bullet Train (新幹線大爆破, Shinkansen Daibakuha, lit. "Shinkansen Big Explosion") (also known as Super Express 109) is a 1975 Japanese action thriller film directed by Junya Satō and starring Ken Takakura, Sonny Chiba, and Ken Utsui. When a Shinkansen ("bullet train") is threatened with a bomb that will explode automatically if it slows below 80 km/h unless a ransom is paid, police race to find the bombers and to learn how to defuse the bomb.