Who Is The Chishiya Actor In Squid Game Season 1?

That's a really common mix-up among binge-watchers and I love clearing it up — the character 'Chishiya' isn't actually from 'Squid Game'. 'Chishiya' is a character in the Japanese live-action series 'Alice in Borderland', and he's played by Nijiro murakami. Nijiro brings this cool, detached intelligence to Chishiya that made the character one of the most memorable puzzle-solvers on that show; his performance has this quiet intensity and sly humor that sticks with you long after an episode ends.

If you were aiming at someone from 'Squid Game' Season 1, the likely name you meant is 'Cho Sang-woo' — that role is played by Park Hae-soo. Park Hae-soo's Sang-woo is a complex blend of charm, Desperation, and moral compromise, and Park sells those layers so convincingly that people still argue about whether they hate or pity him. The two characters occupy very different vibes: Chishiya is calculating and almost theatrical in his detachment, while Sang-woo feels rawer and more emotionally volatile.

Beyond just naming names, I find it fun to compare how Japanese and Korean thrillers use these archetypal 'mastermind' characters differently. Nijiro Murakami's Chishiya leans into enigmatic cool — he’s the kind of character who drops a line and you rewind to catch the subtext. Park Hae-soo, on the other hand, gives Sang-woo a grounding in relatable human failure; you can see why people root for or against him. If you liked one, check out the other: Nijiro is worth following for more Japanese cinema and genre work, and Park Hae-soo has a growing filmography in Korea that shows off his range. Personally, I keep rewatching certain scenes from both shows just to study the acting — it’s a guilty pleasure that pays off in appreciation for subtle craft.

I get why that question pops up — names blur after a marathon session. To be clear and direct: 'Chishiya' belongs to 'Alice in Borderland' and is portrayed by Nijiro Murakami. If your mind was on 'Squid Game' Season 1, the cast includes heavy-hitters like Lee Jung-jae and Park Hae-soo, and the character most people confuse with Chishiya-sounding names is probably Cho Sang-woo, who is played by Park Hae-soo.

Both actors left big impressions for different reasons: Nijiro’s Chishiya is enigmatic, almost mischievous in how he approaches games, while Park Hae-soo’s Sang-woo is tragic and morally tangled. I enjoy seeing how each actor shapes audience sympathies — one keeps you guessing, the other makes you squirm with empathy. Small casting notes like this always send me down a rabbit hole of trivia and clip-hunting, which is one of my favorite ways to spend an evening.