Steel Rain is a 2017 South Korean action thriller film directed by Yang Woo-suk, based on his 2011 webtoon of the same name. The film stars Jung Woo-sung and Kwak Do-won.

Jung Woo-sung is a South Korean actor and the first Korean UNHCR Goodwill Ambassador. Jung started his career as a fashion model, rising to stardom and teenage cult status with the gangster film Beat (1997), for which he won Best New Actor at the 17th Korean Association of Film Critics Awards.