- Lee Jung-jae
- Â Seong Gi-hun 17 episodes, 2021-2025
- Wi Ha-joon
- Â Hwang Jun-ho 15 episodes, 2021-2025
- Lee Byung-hun
- Â Front Man / ... 12 episodes, 2021-2025
- Park Hae-soo
- Â Cho Sang-woo 10 episodes, 2021-2024
- Hoyeon
- Â Kang Sae-byeok 9 episodes, 2021-2024
- Yasushi Iwaki
- Â Others 9 episodes, 2021
- Oh Yeong-su
- Â Oh Il-nam 7 episodes, 2021
- Jeon Young-soo
- Â Game Guide 8 episodes, 2021-2024
- Heo Sung-tae
- Â Jang Deok-su 7 episodes, 2021
- Anupam Tripathi
- Â Ali Abdul / ... 6 episodes, 2021
- Lee Seo-hwan
- Â Jung-bae / ... 7 episodes, 2021-2024
- Oh Dal-su
- Â Park Seon-jang ( boat captain) / ... 7 episodes, 2024
- Jun Suk-ho
- Â Woo-seok / ... 7 episodes, 2024
- Si-Wan Yim
- Â Lee Myeong-gi (Player 333) / ... 7 episodes, 2024-2025
- Jo Yuri
- Â Kim Joon-hee (Player 222) / ... 7 episodes, 2024-2025
- Park Sung-hoon
- Â Hyun-ju / ... 7 episodes, 2024-2025
- Halley Kim
- Â Mi-Ok / ... 7 episodes, 2021-2024
- James Tang
- Â Choi Woo-seok 7 episodes, 2024
- Harrison Xu
- Â Park Gyeong-seok 7 episodes, 2024
- Kim Joo-ryung
- Â Han Mi-nyeo 6 episodes, 2021
- Kim Byung-cheol
- Â Instructions Guard 6 episodes, 2021
- Park Gyuyoung
- Â No-eul 6 episodes, 2024
- Lee Jin-wook
- Â Gyeong-seok (246) / ... 6 episodes, 2024
- Sung Do-hyun
- Â Leader Kim 6 episodes, 2024
- Yang Dong-geun
- Â Yong-sik (007) / ... 6 episodes, 2024
- Lee Da-wit
- Â Min-su (125) / ... 6 episodes, 2024-2025
- Choi Seung-hyun
- Â Thanos (230) / ... 6 episodes, 2024
- Kang Ha-neul
- Â Dae-ho (388) / ... 6 episodes, 2024-2025
- Aaron Yamawaki
- Â Jung-bae (390) / ... 6 episodes, 2024
- Kang Ae-shim
- Â Geum-ja (149) 5 episodes, 2024
- Song Young-chang
- Â Player 100 5 episodes, 2024
- Gook-hee Chae
- Â Seon-nyeo (044) 5 episodes, 2024
- Roh Jae-won
- Â Nam-gyu (124) 5 episodes, 2024
- Won Ji-an
- Â Se-mi (380) 5 episodes, 2024
- Lee Sung-woo
- Â Player 226 5 episodes, 2024
- Lee Yeon-bin
- Â Mercenary / ... 3 episodes, 2024
- Jang Jae-ho
- Â Organ Stealing Pink Soldier / ... 5 episodes, 2024
- Ji Nam-hyuk
- Â Drone Mercenary 5 episodes, 2024
- Baek Seung-chul
- Â Player 47 2 episodes, 2024
- Greg Chun
- Â Seong Gi-Hun / ... 5 episodes, 2021-2024
- Seth Fuentes
- Â Player / ... 5 episodes, 2024
- Park Hye-jin
- Â Cho Sang-woo's Mother / ... 4 episodes, 2021-2024
- Yoo Seong-ju
- Â Byeong-ki 4 episodes, 2021
- Kim Seo-hyun
- Â No. 244 4 episodes, 2021
- Lim Ki-hong
- Â Jung Min-tae 4 episodes, 2021
- Kwak Ja-hyoung
- Â No. 278 4 episodes, 2021
- Kim Dong-won
- Â No. 303 4 episodes, 2021
- Yoon Young-kyun
- Â No. 040 4 episodes, 2021
- Son Won-kyung
- Â No. 360 4 episodes, 2021
- Gong Yoo
- Â The Salesman 4 episodes, 2021-2024
- Park Hee-soon
- Â Commanding Officer 4 episodes, 2024
- Kang Hyun-joong
- Â Player 343 3 episodes, 2024
- Han Sang-Chul
- Â Player 411 2 episodes, 2024
- Vivian Lu
- Â Kang Sae-byeok / ... 4 episodes, 2021
- Rama Vallury
- Â Additional Voices / ... 4 episodes, 2021
- John Choi
- Â No. 226 4 episodes, 2024
- Kim Si-Eun
- Â Kim Young-mi(095) 4 episodes, 2024
- Kim Young-ok
- Â Seong Gi-hun's Mother / ... 3 episodes, 2021
- Park Si-wan
- Â Kang Cheol 3 episodes, 2021-2024
- Lee Yoo-mi
- Â Ji-yeong 3 episodes, 2021
- Kim Dong-hyun
- Â No. 196 3 episodes, 2021
- Kim Yun-tae
- Â No. 069 3 episodes, 2021
- Yoon Don-sun
- Â No Sang-hun 3 episodes, 2021
- Yoon Seung-hoon
- Â Park Ju-un 3 episodes, 2021
- Yang Mal-bok
- Â No. 453 3 episodes, 2021
- Choi Yoon-bin
- Â Mr. Kim's subordinate / ... 3 episodes, 2021-2024
- Hwang Jae-hoon
- Â Mr. Kim's subordinate / ... 3 episodes, 2021-2024
- Kim Yoon
- Â No. 122 3 episodes, 2021
- Park Jong-beom
- Â No. 357 3 episodes, 2021
- Kim Ha-young
- Â No. 032 3 episodes, 2021
- Jang Hyun-jin
- Â No. 083 3 episodes, 2021
- Christian Lagahit
- Â No. 276 3 episodes, 2021
- Lee Dong-Joo
- Â Mercenary 2 3 episodes, 2024
- Kang Mal-geum
- Â Seong Ga-yeong's Mother / ... 3 episodes, 2021-2024
- Jo Ah-in
- Â Seong Ga-yeong 3 episodes, 2021-2024
- Kim Byeong-cheol
- Â Instructions Guard 3 episodes, 2024
- Tom Choi
- Â Front Man 3 episodes, 2021-2024
- Donald Chang
- Â Hwang Jun-ho / ... 3 episodes, 2021-2024
- Eugene Young
- Â Jang Do-Yeong / ... 3 episodes, 2021-2024
- Yuuki Luna
- Â Ji-Yeong 3 episodes, 2021
- Jully Lee
- Â Sang Woo's Mother / ... 3 episodes, 2021
- Brian Kim McCormick
- Â Byeong-Gi 3 episodes, 2021
- Larry Herrera
- Â No. 171 / ... 3 episodes, 2021
- Shin Joo-Hwan
- Â Organ Stealing Pink Soldier 3 episodes, 2024
- Kim Pub-lae
- Â Money Lender / ... 2 episodes, 2021-2024
- Lee Woon-san
- Â Mr. Kim's subordinate 2 episodes, 2024
- John D. Michaels
- Â VIP 1 2 episodes, 2021
- Lee Sang-hee
- Â No. 017 2 episodes, 2021
- Moon Jung-dae
- Â No. 151 2 episodes, 2021
- Daniel C Kennedy
- Â VIP 2 2 episodes, 2021
- Heo Dong-won
- Â Guard Next Door 2 episodes, 2021
- Lee Ji-ha
- Â No. 069's Wife 2 episodes, 2021
- Ko Byung-taek
- Â No. 407 2 episodes, 2021
- David Lee
- Â VIP 3 2 episodes, 2021
- Hwang Youn-hee
- Â No. 308 2 episodes, 2021
- Choi Jae-sup
- Â Broker / ... 2 episodes, 2021-2024
- Stephane Mot
- Â VIP 5 2 episodes, 2021
- Jeong Woo-hyeok
- Â No. 096 2 episodes, 2021
- Michael Davis
- Â VIP 6 2 episodes, 2021
- Lee Doo-seok
- Â No. 062 2 episodes, 2021
- Moon Byung-joo
- Â No. 021 2 episodes, 2021
- Hyun Jin
- Â No. 209 2 episodes, 2021
- Yoon Yeong-geol
- Â Surgery Room Guard #1 2 episodes, 2021
- Yoon Joo-man
- Â Surgery Room Guard #2 2 episodes, 2021
- Min Tae-yul
- Â No. 271 2 episodes, 2021
- Woo Yeong-taek
- Â No. 194 2 episodes, 2021
- Si-nae Jo
- Â Park Mi-hwa 2 episodes, 2024
- Kang Yi-eun
- Â Player 9 2 episodes, 2024
- Lee Joo Shil
- Â Hwang Jun-Ho's mom / ... 2 episodes, 2024
- Oh Chang-kyung
- Â Jun-ho superior 2 episodes, 2024
- Kang Sung-wook
- Â Gyeong-su / ... 2 episodes, 2024
- Park Mi-hyeon
- Â Sae-byeok's mother 2 episodes, 2024
- Ha Soo-ho
- Â Player 145 1 episode, 2024
- Hong Seung-gyun
- Â Player 324 1 episode, 2024
- Yoo Dok-Hyun
- Â Player 206 1 episode, 2024
- Dong-won Han
- Â Player 072 1 episode, 2024
- Tae-eun Oh
- Â Player 394 2 episodes, 2024
- Lee Ha Nee
- Â Player 15 1 episode, 2024
- Kim Young-mi
- Â Player 440 2 episodes, 2024
- Ko Seo-Jeong
- Â Player 415 2 episodes, 2024
- Keone Young
- Â Additional Voices 2 episodes, 2021-2024
- Nick Martineau
- Â Additional Voices 2 episodes, 2021-2024
- Caleb Yen
- Â Additional Voices / ... 2 episodes, 2021-2024
- Jennifer Yun
- Â Additional Voices 2 episodes, 2021-2024
- Hideo Kimura
- Â Il-Nam / ... 2 episodes, 2021
- Stephanie Komure
- Â Han Mi-nyeo / ... 2 episodes, 2021
- Stephen Fu
- Â Cho Sang-woo / ... 2 episodes, 2021
- Paul Nakauchi
- Â Deok-Su / ... 2 episodes, 2021
- Nathan Yi
- Â Cheol / ... 2 episodes, 2021
- Alex Mina
- Â No. 045 2 episodes, 2021
- Matthew Yang King
- Â Choi Seung-hyun / ... 2 episodes, 2024
- Park Bo-kyung
- Â Player 254 2 episodes, 2024
- Lim Chae-sun
- Â Player 286 1 episode, 2024
- Kim Hyun
- Â Player 178 1 episode, 2024
- Hyeong-joon Kwon
- Â Player 45 1 episode, 2024
- Choi One
- Â Player 295 1 episode, 2024
- Park Yebom
- Â Na-yeon 1 episode, 2024
- Kim Young-sun
- Â Seong Gi-hun's Friend's Wife 1 episode, 2021
- Hong Woo-jin
- Â Oh Yeong-uk 1 episode, 2021
- Park Sang-sun
- Â Missionary 1 episode, 2021
- Park Sun-a
- Â Kim Mi-ok 1 episode, 2021
- Jeong-heon Lee
- Â Banker 1 episode, 2021
- Bong-Seok Jeon
- Â Young Police Officer 1 episode, 2024
- Son Yeong-soon
- Â Flower Seller 1 episode, 2021
- Kim Ji-seok
- Â Motorcyclist 1 episode, 2024
- Lee Jung-jun
- Â Young Guard 1 episode, 2021
- Jang Jae-kwon
- Â Seong Ga-yeong's Stepfather 1 episode, 2021
- Kim Min-che
- Â Hair Stylist 1 episode, 2021
- Yeo-jeong Kang
- Â Naughty Girl 1 episode, 2024
- Yeong-son Heo
- Â Motel Boyfriend 1 episode, 2024
- Park Ji-hoon
- Â No. 250 1 episode, 2021
- Choi Jun-seok
- Â Mask Scan Guard 1 episode, 2021
- Son Da-yeon
- Â Couple woman (motel) 1 episode, 2024
- Lee Han-sol
- Â No. 324 1 episode, 2021
- Park Geon-ryul
- Â Toilet Guard 1 episode, 2021
- Jeong Yun-yeong
- Â Taxi Driver (Airport) 1 episode, 2024
- Yang Mi-seon
- Â No. 306 1 episode, 2021
- Na Dae-heum
- Â Deck Manager 1 episode, 2021
- Na-hyeon Lee
- Â Rental Car Employee 1 episode, 2024
- Choi Gwi-hwa
- Â Kim Ki-min 1 episode, 2024
- Yoon Tak
- Â Dentist 1 episode, 2024
- Oh Hyun-soo
- Â Lottery Shop Owner 1 episode, 2024
- Geoffrey Giuliano
- Â VIP 4 1 episode, 2021
- Kim Yeon-ung
- Â Young Seong Gi-hun 1 episode, 2021
- Song Ji-woo
- Â Kang Mi-Na (196) 1 episode, 2024
- Seok-yeon Hong
- Â Security Guard 1 episode, 2024
- Lee Kyu-hoi
- Â Kim Yoon-tae 1 episode, 2024
- Gu Yu-jin
- Â Confectionery Shop Clerk 1 episode, 2024
- Lee Dong-yong
- Â Kim Sang-hyuk 1 episode, 2021
- Park Si-won
- Â Young Cho Sang-woo 1 episode, 2021
- Shim Woo-sung
- Â Amusement Park Manager 1 episode, 2024
- Woo Jung-Kook
- Â Player 039 1 episode, 2024
- Young-ok Shin
- Â Homeless Person 1 1 episode, 2024
- Jeong Min-gyu
- Â Lottery Room Kid 1 episode, 2021
- Kim Min-sik
- Â Kim Jin-woo 1 episode, 2021
- Jo Hyun-Woo
- Â Player 444 1 episode, 2024
- Park Jin-woo
- Â Lee Seung-won 1 episode, 2024
- Geun-yang Joo
- Â Homeless Person 2 1 episode, 2024
- Jung Jong Yul
- Â Doctor 1 episode, 2024
- Ji Seong-bin
- Â Serving Mask Man 1 episode, 2021
- Oh Kyung-min
- Â Big Man 1 episode, 2021
- Han Jae-hyuk
- Â Gi-hun's Colleague 1 episode, 2021
- Lee Eun-mi
- Â Player 283 1 episode, 2024
- Jo Seok-in
- Â Amusement Park Employee 1 1 episode, 2024
- Hong Ji-wan
- Â Elementary School Boy 1 episode, 2024
- Lee In-gyu
- Â Gnomish Husband 1 episode, 2024
- Park Hyun-chul
- Â Jang Do-yeong 1 episode, 2024
- Jang Tae-min
- Â Player 192 1 episode, 2024
- Park Jung-eon
- Â No. 073 1 episode, 2021
- Jo Ah-young
- Â Amusement Park Newcomer 1 episode, 2024
- Lee Hyung-seok
- Â Taxi Driver (Chasing) 1 episode, 2024
- Shin Hee-Chul
- Â Player 377 1 episode, 2024
- Won Choon-gyu
- Â No. 066 1 episode, 2021
- Kim Hee-seo
- Â No. 198 1 episode, 2021
- Yoon Hee-yong
- Â Jigsaw Man 1 episode, 2021
- Yeong-soo Jeon
- Â Subway Announcement 1 episode, 2024
- Woo Kang-Min
- Â Player 296 1 episode, 2024
- Lee Choong-goo
- Â Gang Member 1 episode, 2021
- Wie Ji-yeon
- Â Teller Ha Sun-young 1 episode, 2021
- Ji Su-Han
- Â Club Bouncer 1 episode, 2024
- Jin Yong-wook
- Â Player 172 1 episode, 2024
- Song Hyung-soo
- Â Doctor 1 episode, 2021
- Kim Won-jung
- Â No. 245 1 episode, 2021
- Kim Kyung-min
- Â Man Waiting to Bet 1 episode, 2021
- Park Jae-Chul
- Â Player 235 1 episode, 2024
- Pyo Dong-jun
- Â Seong Ga-yeong's Brother 1 episode, 2021
- Kim Yeon-jun
- Â Squid Game Kid #1 1 episode, 2021
- Jang Kyug Su
- Â Fisherman 1 episode, 2024
- Kim Kye-sun
- Â Dormitory Owner 1 episode, 2021
- Kwak Soo-hyun
- Â Squid Game Kid #2 1 episode, 2021
- Choi Sun-Jin
- Â Player 066 1 episode, 2024
- Seon In-ho
- Â Police Detective 1 episode, 2021
- Park Jeong-won
- Â Squid Game Kid #3 1 episode, 2021
- Jeong Eun-kyeong
- Â Player 454 1 episode, 2024
- Lee Jae-sung
- Â Gangster 1 episode, 2021
- Jo Kyung-jae
- Â Squid Game Kid #4 1 episode, 2021
- Jung Woo-jin
- Â Squid Game Kid #5 1 episode, 2021
- Yang Hyung-taek
- Â Drunk 1 episode, 2021
- Go Chang-hee
- Â Filipino Gangster #1 / ... 1 episode, 2021
- Park Ji-on
- Â Squid Game Kid #6 1 episode, 2021
- Jeon Hyun-sook
- Â Fish Shop Customer 1 episode, 2021
- Kim Sung-gon
- Â Detective #1 1 episode, 2021
- So Yun-ho
- Â Detective #2 1 episode, 2021
- Go Eun-cheon
- Â Horse Racing Caster 1 episode, 2021
- Anwesha Purkayastha
- Â Ali's Wife 1 episode, 2021
- Kim Geum-soon
- Â Player 349 1 episode, 2024
- Kim Seo-ha
- Â Factory Owner 1 episode, 2021
- Lee Sang-jun
- Â Pink Soldier Captured by Gi-Hun 1 episode, 2024
- Seo Soo-chan
- Â Player 4 1 episode, 2024
- Byeon Ye-jin
- Â Player 31 1 episode, 2024
- Choi Hee-do
- Â Player 43 1 episode, 2024
- Jeon Min-jung
- Â Player 188 1 episode, 2024
- Jeon Kang-ho
- Â Player 237 1 episode, 2024
- Yoon Chan-young
- Â Face Guard 1 episode, 2021
- Alan Lee
- Â Additional Voices 1 episode, 2021
- Steven Lim
- Â Additional Voices 1 episode, 2021
- Sura Siu
- Â Additional Voices 1 episode, 2021
- Lil Wrad
- Â Playground Child 1 episode, 2021
- Raymond Lee
- Â Sang-Hun 1 episode, 2021
- Bang Hoo-ho
- Â No. 400 1 episode, 2021
- Zhongni Zhu
- Â No. 102 1 episode, 2021
- Jason Lin
- Â Additional Voices 1 episode, 2021
- Vincent Mordente
- Â Jun-Ho 1 episode, 2021
- Rich Ting
- Â Masked Officer 1 episode, 2024
- Nicky Endres
- Â Cho Hyun-ju 1 episode, 2024
- Reagan To
- Â Additional Voices 1 episode, 2024
- Audrey Huynh
- Â Kim Jun-hee 1 episode, 2024
- Kristina Ho
- Â Park Gyeong-seok 1 episode, 2024
- Xanthe Huynh
- Â Additional Voices 1 episode, 2024
- Steven Allerick
- Â Recruiter 1 episode, 2024
- Francesca Calo
- Â Se-mi 1 episode, 2024
- Christine Avila
- Â Jang Geum-ja 1 episode, 2024
- Page Leong
- Â Additional Voices 1 episode, 2024
- Johnny Young
- Â Lee Myung-gi 1 episode, 2024
- Brent Mukai
- Â Park Yong-Sik 1 episode, 2024
- Kevin Matsumoto
- Â Nam-gyu 1 episode, 2024
- Chase Kim
- Â Additional Voices 1 episode, 2024
- Choi Dong-goo
- Â Doctor's Assistant 1 episode, 2024
- Peter James Smith
- Â Additional Cast, English dub 1 episode, 2024
- Becca Q. Co
- Â Additional Voices 1 episode, 2024
- Koo Park
- Â Min-su 1 episode, 2024
- Kim Joong-hee
- Â Organ Stealing Doctor 1 episode, 2024
- Peter Jae
- Â Additional Voices 1 episode, 2024
- Mirai
- Â Additional Voices 1 episode, 2024
- Im Chul-hyung
- Â Police Chief 1 episode, 2024
- Aoi Takeya
- Â Additional Voices 1 episode, 2024
- Reina Guthrie
- Â Additional Voices 1 episode, 2024
- Jeanne Sakata
- Â Additional Voices 1 episode, 2024
- Kim Jin-Man
- Â Captain Ko (Team 2 Boat Captain) 1 episode, 2024
- Scott Keiji Takeda
- Â Additional Voices 1 episode, 2024
- Seo Mun-ho
- Â Player 313 1 episode, 2024
- Nick Tonez
- Â Player 430 (uncredited) 1 episode, 2021
- Adonis Johnston
- Â CGI Wolf (uncredited) 1 episode, 2021
