Hyeseong Kim (born January 29, 1988) is a South Korean actor known for his roles in both film and television. He gained initial recognition for his performance in the coming-of-age film "Jenny, Juno" (2005) and has since appeared in various dramas such as "High Kick!" (2006-2007), "Boys Over Flowers" (2009), and "Bel Ami" (2013). While perhaps not a household name, Kim has maintained a steady career, often portraying supporting roles that showcase his versatility as an actor.