Golden Slumber is a 2018 South Korean action thriller film directed by Noh Dong-seok, starring Gang Dong-won, Kim Eui-sung, Kim Sung-kyun, Kim Dae-myung, Han Hyo-joo and Yoon Kye-sang. It is based on the 2007 Japanese novel of the same name written by Kōtarō Isaka, previously filmed by Yoshihiro Nakamura in 2010. The film revolves around a deliveryman who has to run for his life after he is held responsible for an explosion causing the death of a presidential candidate.

Kim Sung-kyun is a South Korean actor. Kim began his career in theatre, then made his screen debut as a gangster boss's faithful henchman in Nameless Gangster: Rules of the Time (2012), followed by supporting roles in The Neighbor (2012), Reply 1994 (2013), Reply 1988 (2015–2016), Moon Lovers: Scarlet Heart Ryeo (2016), as well as leading role in series D.P. (2021–2023) and Divorce Attorney Shin (2023).