Oldboy Online

Choi Min-sik - Dae-su Oh, Yoo Ji-Tae - Woo-jin Lee, Kang Hye-jeong - Mi-do, Kim Byeong-Ok - Mr. Han, Dae-han Ji - No Joo-hwan, Dal-su Oh - Park Cheol-woong, Seung-shin Lee - Yoo Hyung-ja (as Seung-Shin Lee) , Jin-Seo Yoon - Lee Soo-ah, Tae-kyung Oh - Young Dae-su, Yoo Yeon-Seok - Young Woo-Jin (as Ahn Yeon-Seok) , Il-han Oo - Young Joo-hwan, Young-hee Lee - Clock Store Lady, Young-ae Kim - Elevator Lady, Mi Mi Lee - Dental Nurse, Jae-Duk Han - Night Teacher