In April 2020, Netflix approved production of an original series based upon an 11 minute long webtoon Hellbound, written and drawn by Yeon Sang-ho in 2002.
Im Hyeong-guk as Gong Hyeong-joon, sociology professor.Lee Re as Jin Hee-jeong, Jin Kyeong-hoon's daughter.Ryu Kyung-soo as Yoo Ji, priest of the cult.Kim Do-yoon as Lee Dong-wook, streamer and member of Arrowhead.Yang Ik-june as Jin Kyeong-hoon, detective.Won Jin-ah as Song So-hyun, Bae Young-jae's wife.Park Jeong-min as Bae Young-jae, broadcasting station production director.Kim Hyun-joo as Min Hye-jin, an attorney.Park Sang-hoon as young Jeong Jin-soo.Yoo Ah-in as Jeong Jin-soo, a cult leader, the head of the emerging religion 'New Truth Society'.While episodes 1-3 focus on Jin Kyeong-hoon, a detective investigating the happenings, and Jeong Jin-soo, the chairman of the New Truth, episodes 4-6 take place 5 years later and focuses on Bae Young-jae, a production director who has to struggle with the fact that his newborn baby is bound for Hell. "Hellbound" occurs in an alternate reality version of Earth, wherein supernatural creatures suddenly materialize to deliver prophesies and drag humans to Hell. It was released on Netflix on Novemand became the world's most watched Netflix series the next day, surpassing Squid Game.
The pilot of series premiered at the 2021 Toronto International Film Festival in the Primetime program of TV series on Septemand became the first Korean drama to make it to the festival. The series is an original Netflix release about supernatural beings appearing out of nowhere to condemn people to Hell, starring Yoo Ah-in, Kim Hyun-joo, Park Jeong-min, Won Jin-ah and Yang Ik-june. Hellbound ( Korean: 지옥 Hanja: 地獄 RR: Jiok) is a South Korean dark fantasy streaming television series directed by Yeon Sang-ho, based on his own webtoon of the same name.