Song Hyeong-suActor · Born July 7, 1980 · South KoreaActed in 102020s2024A Killer ParadoxNoh Eui-cheol · 1 episode722022Emergency DeclarationControl Team Leader #469AdamasJeweler · 1 episode692021Squid GameYoon [Emergency Medical Center doctor] · 1 episode792020CollectorsSecretary662010s2019MAL·MO·E: The Secret MissionSecretary712018Happy TogetherPoliceThe Witch: Part 1. The SubversionDoctor782017The FortressMessenger Officer67The KingWoo Cheol-hee71