Parasite (Korean: 기생충; Hanja: 寄生蟲; RR: Gisaengchung) is a 2019 South Korean black comedy thriller film directed by Bong Joon-ho, who co-wrote the screenplay with Han Jin-won. The film, starring Song Kang-ho, Lee Sun-kyun, Cho Yeo-jeong, Choi Woo-shik, Park So-dam, Jang Hye-jin, and Lee Jung-eun, follows a poor family who scheme to become employed by a wealthy family and infiltrate their household by posing as unrelated, highly qualified individuals.