Kim Moo-yul (born May 22, 1982) is a South Korean actor. Following a successful career in musical theatre, Kim was first cast in minor parts on film and television. After gaining recognition for his performance in War of the Arrows (2011), Kim landed his first major role in Jung Ji-woo's critically acclaimed film A Muse (2012). Kim went on to star in notable films Northern Limit Line (2015), Forgotten (2017), The Gangster, the Cop, the Devil (2019), Honest Candidate (2020), and The Roundup: Punishment (2024).