Train to Busan is a 2016 South Korean action horror film directed by Yeon Sang-ho and starring Gong Yoo, Jung Yu-mi, Ma Dong-seok, Kim Su-an, Choi Woo-shik, Ahn So-hee and Kim Eui-sung. The film mostly takes place on a KTX from Seoul to Busan as a zombie apocalypse suddenly breaks out in the country and threatens the safety of the passengers.

Gong Ji-cheol, better known by his stage name Gong Yoo (Korean: 공유), is a South Korean actor. He is best known for his roles in the television dramas Coffee Prince (2007), Guardian: The Lonely and Great God (2016–2017), and Squid Game (2021–present), as well as the films Silenced (2011), The Suspect (2013), Train to Busan (2016), and The Age of Shadows (2016).