Guest Stars Kwon Yoo-joon as Masked Front Man Stand-in Jeon Young Soo voices Game Guide Kim Byung Chul as Instructions Guard Lee Seo Hwan as Park Jung Bae Im Ki Hong as Jung Min-tae Park Hye Jin as Sang Woo's Mother Jo Ah In as Sung Ga Young Yoon Seung Hoon as Park Ju-un Kim Young Ok as Gi-hun's Mother Yang Mal Bok as Player 453 Choi Jae Seop as Park Man Cheol Park Si Wan as Kang Chul Yoon Don Sun as No Sang-hun Kang Mal Geum as Ga-yeong's Mother Won Choon Gyu as Player 066 Min Tae Yul as Player 271 Hyun Jin as Player 209 Joon Hyun Sook as Fish Shop Customer Kim Kye Sun as Dormitory Owner Lee Choong Goo as Gang Member Pyo Dong Joon as Ga-yeong's Brother Song Hyung Soo as Doctor Yang Hyung Taek as Drunk Go Chang Hee as Hassan Lee Jae Sung as Gangster Seon In Ho as Police Detective Go Chang Hee as Filipino Gangster Anwesha Purkayastha as Ali's Wife Jang Jae Kwon as Ga-yeong's Stepfather So Yun Ho as Detective Kim Sung Gon as Detective Kim Min Shik as Kim Jin Woo Park Jung Eon as Player 073 Kim Seo Ha as Factory Owner Kim Young Sun as Gi-hun's Friend's Wife Lee Dong Yong as Kim Sang Hyuk
