유재석
In 2010, Gary joined "Running Man", an urban variety show, as a co-host, along with 6 other original cast members, including Yoo Jae-suk, Haha, Ji Suk-jin, Kim Jong-kook, Lee Kwang-soo and Song Joong-ki while the only female member, Song Ji-hyo, joined the cast a few episodes afterward. The popularity of Running Man helped Gary and the rest of the cast gain international recognition.