Lee Jung-jae plays Seong Gi-hun (456), Park Hae-soo plays Cho Sang-woo (218), and O Yeong-su plays Oh Il-nam (001).
Main cast
- Seong Gi-hun (456)Lee Jung-jaeSeasons 1–2Main
- Cho Sang-woo (218)Park Hae-sooSeasons 1Main
- Oh Il-nam (001)O Yeong-suSeasons 1Main
- Kang Sae-byeok (067)Jung Ho-yeonSeasons 1Main
- Jang Deok-su (101)Heo Sung-taeSeasons 1Main
- Han Mi-nyeo (212)Kim Joo-ryoungSeasons 1Main
- Ali Abdul (199)Anupam TripathiSeasons 1Main
- Front Man / Hwang In-hoLee Byung-hunSeasons 1–2Main
- Lee Myung-gi (333)Yim Si-wanSeasons 2Main
- Kang Dae-ho (388)Kang Ha-neulSeasons 2Main
- Park Gyeong-seokLee Jin-wookSeasons 2Main
- Kang No-eulPark Gyu-youngSeasons 2Main
- Kim Jun-hee (222)Jo Yu-riSeasons 2Main
Supporting cast
- Hwang Jun-hoWi Ha-joonSeasons 1–2Supp
- Byeong-gi (111)Yoo Sung-jooSeasons 1Supp
- Ji-yeong (240)Lee Yoo-miSeasons 1Supp
- Oh Mal-soonKim Young-okSeasons 1Supp
- Seong Ga-yeongJo A-inSeasons 1Supp
- Instructions GuardKim Byung-chulSeasons 1–2Supp
Guest & voice
- Salesman at the stationGong YooSeasons 1Guest
- VIP #1John D. MichaelsSeasons 1Guest
- VIP #2Daniel C. KennedySeasons 1Guest
- VIP #4Geoffrey GiulianoSeasons 1Guest
- Game Guide / AnnouncerJeon Young-sooSeasons 1–2Voice
- Female AnnouncerHalley KimSeasons 1–2Voice
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About this cast
Squid Game is a Netflix UK survival drama series (2021–) in which 456 desperate contestants play deadly children's games for a huge cash prize. The lead cast includes Lee Jung-jae as Gi-hun, Park Hae-soo as Sang-woo, and O Yeong-su as Il-nam.
Cast FAQs
Who plays Seong Gi-hun in Squid Game?
Lee Jung-jae plays Seong Gi-hun (456), the main character.
Who plays the Front Man in Squid Game?
Lee Byung-hun plays the Front Man, also known as Hwang In-ho.
Who is in the cast of Squid Game?
The cast includes Lee Jung-jae, Park Hae-soo, O Yeong-su, Jung Ho-yeon, Heo Sung-tae, and more.
How many cast members are in Squid Game?
There are 25 cast members in total, including 8 lead actors.
Sources: IMDb · Wikipedia · Fandom · Rotten Tomatoes · Netflix Tudum · Updated June 2026
Related cast guides: Still Game · The Game