Guest Stars Kwon Yoo-joon as Masked Front Man Stand-in Jeon Young Soo voices Game Guide Kim Shi Hyun as Player 244 Kwak Ja Hyung as Player 278 Kim Dong Won as Player 303 Yoon Young Kyun as Player 040 Son Won Kyung as Player 360 Kim Dong Hyun as Player 196 Kim Yoon as Player 122 Kim Yoon as Hwang Jun-ho Stand-in Park Jong Beom as Player 357 Park Jong Beom as Guard 28 Stand-in Jang Hyun Jin as Player 083 Kim Ha Young as Player 032 Christian Lagahit as Player 276 Yoon Joo Man as Surgery Room Guard Heo Dong Won as Guard 28 Yoon Young Gul as Surgery Room Guard Woo Young Taek as Player 194 Han Jae Hyuk as Gi-hun's Colleague
