Sung Dong-il (born April 27, 1967) is a South Korean actor. Sung made his acting debut in theater in 1987, then was recruited at the 1991 SBS open talent auditions. He rose to fame as the comic, Jeolla dialect-speaking character "Red Socks" in the television drama Eun-shil, though he later tried to fight typecasting by playing the son of a chaebol tycoon in Love in 3 Colors and a university professor in March. Following years of supporting roles in TV, Sung's film career was jumpstarted by hit romantic comedy
200 Pounds Beauty in 2006. Subsequently, he became one of Korean cinema's most reliable supporting actors, displaying his comic skills and easy charm in films such as
Take Off,
Foxy Festival,
Children...,
The Suicide Forecast, and
The Client. He also had major roles in The Suck Up Project:
()