Question: Jeon Woo-chi, is a 2012 South Korean fantasy period television series, starring which South Korean actor, singer, television personality radio DJ and director, and is best known for his lead roles in the box-office hit comedies "My Sassy Girl" (2001)?
Sentence (from "Kim Kwang-kyu (actor)"): He made his acting debut in 1999 in "Dr. K", and its director fellow Busan native Kwak Kyung-taek later cast him in a small but memorable role as a physically abusive teacher in the 2001 box-office hit "Friend".
Relevant evidence: No