Special Guest Stars Gong Yoo as The Salesman Guest Stars Lee Byung Hun as Front Man Kwon Yoo-joon as Masked Front Man Stand-in Jeon Young Soo voices Game Guide Kim Byung Chul as Instructions Guard Im Ki Hong as Jung Min-tae Park Hye Jin as Sang Woo's Mother Lee Seo Hwan as Park Jung Bae Kim Young Ok as Gi-hun's Mother Yoon Seung Hoon as Park Ju-un Yoon Don Sun as No Sang-hun Jo Ah In as Sung Ga Young Kang Mal Geum as Ga-yeong's Mother Kim Bup Rae as Mr. Kim Choi Yoon Bin as Mr. Kim's Subordinate #2 Hwang Jae Hoon as Mr. Kim's Subordinate #3 Park Ji On as Squid Game Kid #6 Park Si Won as Young Sang-woo Yang Mi Seon as Player 306 Oh Kyung Min as Big Man Go Eun Cheon as Horse Racing Caster Jung Woo Jin as Squid Game Kid #5 Park Jeong Won as Squid Game Kid #3 Kwak Soo Hyun as Squid Game Kid #2 Yoon Hee Yong as Jigsaw Man Jeong Min Gyu as Lottery Room Kid Jo Kyung Jae as Squid Game Kid #4 Kim Yeon Jun as Squid Game Kid #1 Lee Han Sol as Player 324 Park Sun Ah as Kim Mi-ok Wie Ji Yun as Teller Ha Sun-young Kim Yun Woong as Young Gi-hun Park Ji Hoon as Player 250 Kim Kyung Min as Gambler in Waiting Line Hong Woo Jin as Oh Yeong-uk
