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