Lee Sung-min (born December 4, 1968) is a South Korean actor. He is best known for his supporting roles on television and film, notably his much-praised performances in Golden Time (2012), Broken (2014), and Misaeng: Incomplete Life (2014). Lee has also received critical acclaim for his role in the 2018 espionage film The Spy Gone North.

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https://en.wikipedia.org/wiki/Lee_Sung-min_(actor)