Okja is a 2017 science-fantasy action-adventure film directed by Bong Joon Ho with a screenplay by Bong and Jon Ronson from a story by Bong. The film is about a teenage girl who raised a genetically modified "super pig". When Okja is taken to the United States by a meat industry corporation, the girl goes on a mission to rescue Okja from mistreatment and slaughter. An international co-production of South Korea and the United States, it stars an ensemble cast headed by child actor Ahn Seo-hyun, along with Byun Hee-bong, Yoon Je-moon, Choi Woo-shik, Tilda Swinton, Paul Dano, Steven Yeun, Lily Collins, Shirley Henderson, Daniel Henshall, Devon Bostick, Giancarlo Esposito, and Jake Gyllenhaal.