Special Guest Stars Lee Byung Hun as Front Man Gong Yoo as The Salesman Guest Stars Kwon Yoo-joon as Masked Front Man Stand-in Kim Byung Chul as Instructions Guard Park Hye Jin as Sang Woo's Mother Kim Young Ok as Gi-hun's Mother Park Si Wan as Kang Chul John D. Michaels as VIP Daniel C. Kennedy as VIP David Lee as VIP Stephane Mot as VIP Michael Davis as VIP Lee Jung Hun as Banker Son Young Soon as Flower Seller Kim Min Che as Hairdresser Park Sang Sun as Missionary
