Guest Stars Lee Byung Hun as Front Man Heo Sung Tae as Jang Duk Soo Oh Young Soo as Oh Il Nam Anupam Tripathi as Ali Abdul Yoo Sung Joo as Byung Kyi Kim Young Ok as Ki Hoon's Mother Yoon Don Sun as No Sang Hoon Park Hye Jin as Sang Woo's Mother Gong Yoo as Suit Man Kang Mal Geum as Ga Young's Mother Im Ki Hong as Jung Min Tae Yoon Seung Hoon as Park Joo Un Park Si Won as Young Sang Woo Kim Yun Woong as Young Gi Hoon Jo Ah In as Sung Ga Young Lee Seo Hwan as Ki Hoon's Friend Kim Bup Rae as Loan Shark Park Ji Hoon as Player 250 Kim Kyung Min as Gambler in Waiting Line Wie Ji Yun as Teller Ha Sun Young Park Sun Ah as Kim Mi Ok Hong Woo Jin as Oh Young Wook