English quick take
Netflix’s launch material centers the story on five friends at Seorin High School: Se-ah, Na-ri, Geon-woo, Ha-joon, and Hyeong-wook, played by Jeon So-young, Kang Mi-na, Baek Sun-ho, Hyun Woo-seok, and Lee Hyo-je.
Actor-to-character map
If Wishes Could Kill cast and characters without making you piece it together from five recaps
Use this page when you remember one name but not the other. It puts the main cast, character names, and each role’s place in the story on one screen so you do not have to bounce between recaps.
Quick answer
Who is who at a glance
Core cast map
Lead
Jeon So-young as Yoo Se-ah
A promising track athlete who starts pulling on the thread behind the wish-granting app.
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Friend
Kang Mi-na as Lim Na-ri
A popular girl who initially does not buy into the app’s ominous reputation.
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Friend
Baek Sun-ho as Kim Geon-woo
Se-ah’s secret boyfriend, caught between loyalty, fear, and the app’s consequences. Official production notes also reference Baek Sun-ho’s earlier work in Dongjae, the Good or the Bastard, which helps explain some mixed-name searches.
Review the rules
Analyst
Hyun Woo-seok as Kang Ha-joon
The coding-brain of the group, trying to reason through something that resists clean logic.
Read the mechanics
Catalyst
Lee Hyo-je as Choi Hyeong-wook
The prankster whose contact with Girigo helps light the fuse under the whole story.
Ending breakdown
Ritual lane
Jeon So-nee and Roh Jae-won
Launch materials also point to shaman Haetsal and Bangwool as part of the desperate fight against the curse.
See open threadsUse the role, not just the name
How each name fits into the group
The story revolves around five friends, so the cast page works best when it explains relationships rather than just stacking names. Se-ah is the determined lead, Na-ri begins from doubt, Geon-woo is tied to Se-ah emotionally, Ha-joon tries to reason through the curse, and Hyeong-wook helps push the danger into motion.
If you came here after an episode and only remember a single name like Na-ri or Se-ah, the summaries below should help you place that person fast.
No table-reading required
Plain-language role summary
- Se-ah is the determined lead who keeps pushing past the fear barrier.
- Na-ri is the skeptical popular figure whose position makes her especially memorable after key episodes.
- Geon-woo adds emotional pressure because he is tied to Se-ah and the fallout of the group’s choices.
- Ha-joon carries the “maybe logic can solve this” energy.
- Hyeong-wook acts like the spark that makes the app feel dangerously real to the group.
FAQ
Questions this page should answer fast
Who plays Se-ah in If Wishes Could Kill?
Jeon So-young plays Yoo Se-ah.
Who plays Na-ri?
Kang Mi-na plays Lim Na-ri.
Why do actor and character searches show up together?
Because viewers switch between cast-name memory and character-name memory, especially right after finishing an episode.
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