The If Wishes Could Kill cast brings together a young group of South Korean actors in a chilling story where a wish-granting app turns teenage dreams into a terrifying nightmare. Released on Netflix on April 24, 2026, this Korean supernatural horror series combines school drama, friendship, jealousy, and a deadly mystery.
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If you are searching for the actors behind the main characters, I have gathered the key cast members, their roles, and the supporting performers who help bring this suspenseful story to life. You will also discover how the characters connect to the mysterious Girigo app, what makes the series stand out, and where you can watch it.
1. If Wishes Could Kill Cast at a Glance
The main cast features Jeon So-young, Kang Mi-na, Baek Sun-ho, Hyun Woo-seok, and Lee Hyo-je as five high school friends caught up in a supernatural crisis. Jeon So-nee and Roh Jae-won also appear in important roles connected to the mystery.
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| Actor | Character | Role in the Story |
| Jeon So-young | Yoo Se-ah | A student who investigates the deadly curse |
| Kang Mi-na | Im Na-ri | One of Se-ah’s friends |
| Baek Sun-ho | Kim Geon-woo | A member of the central friend group |
| Hyun Woo-seok | Kang Ha-joon | A friend who helps investigate the supernatural events |
| Lee Hyo-je | Choi Hyeong-wook | The student who introduces Girigo to his friends |
| Jeon So-nee | Haetsal / Kang Ha-young | A shaman who helps confront the supernatural threat |
| Roh Jae-won | Bangwool | A shaman connected to the investigation |
| Kim Si-a | Do Hye-ryeong | A character connected to the origins of the curse |
Cast and character names are based on Netflix’s series information and published cast listings.
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2. Jeon So-young as Yoo Se-ah
Character: Yoo Se-ah
Role: Main protagonist
Series: If Wishes Could Kill (2026)
Jeon So-young plays Yoo Se-ah, one of the high school students drawn into the frightening events surrounding Girigo. When the app’s wishes begin leading to deadly consequences, Se-ah becomes determined to understand what is happening and help protect her friends.
Se-ah’s role is central to the show’s mystery because she recognizes that the danger facing her classmates is not an ordinary school problem. Her determination pushes the story forward as the group searches for a way to escape the curse.
For viewers who enjoy Korean horror dramas with a strong teenage lead, Se-ah offers a personal perspective on fear, friendship, and responsibility.
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3. Kang Mi-na as Im Na-ri
Character: Im Na-ri
Actor: Kang Mi-na
Role: Main cast
Kang Mi-na portrays Im Na-ri, a member of the central group of students. Her storyline adds emotional tension to the horror narrative, particularly as personal feelings and complicated relationships become harder to separate from the growing danger.
Na-ri’s character is especially important to the drama’s exploration of jealousy and romantic feelings. As the supernatural events intensify, the consequences of the characters’ choices become increasingly difficult to ignore.
Kang Mi-na’s performance contributes to the series’ blend of teen drama and supernatural suspense, giving viewers another perspective on how the Girigo curse affects the friend group.
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4. Baek Sun-ho as Kim Geon-woo
Character: Kim Geon-woo
Actor: Baek Sun-ho
Role: Main cast
Baek Sun-ho plays Kim Geon-woo, one of the five students at the center of the story. Geon-woo becomes caught up in the escalating danger surrounding the wish-granting app, making his fate an important concern for Se-ah and the others.
Geon-woo’s character is part of the drama’s emotional core. The students must deal with more than the supernatural threat itself: they also face uncertainty, difficult decisions, and the possibility of losing people they care about.
Baek Sun-ho is one of the three performers Netflix highlights among the series’ leading stars, alongside Jeon So-young and Kang Mi-na.
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5. Hyun Woo-seok as Kang Ha-joon
Character: Kang Ha-joon
Actor: Hyun Woo-seok
Role: Main cast
Hyun Woo-seok portrays Kang Ha-joon, one of Se-ah’s friends who becomes involved in investigating Girigo. His character helps connect the students’ immediate crisis with the series’ wider supernatural mystery.
Ha-joon’s storyline also introduces a family connection that becomes important when the group seeks help understanding the strange events. He takes Se-ah to his shaman sister, Haetsal, as they search for a way to confront the curse.
This combination of friendship, family, and supernatural investigation makes Ha-joon an important member of the central cast.
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6. Lee Hyo-je as Choi Hyeong-wook
Character: Choi Hyeong-wook
Actor: Lee Hyo-je
Role: Main cast
Lee Hyo-je plays Choi Hyeong-wook, the student whose experience with Girigo sets the central events in motion. After the app appears to grant him a wish, he introduces it to his friends, initially treating it as something exciting rather than dangerous.
Hyeong-wook’s introduction to the app marks a turning point in the story. What seems like a harmless shortcut to getting what someone wants soon becomes a source of fear, as wishes are followed by a mysterious countdown and increasingly disturbing consequences.
His role establishes the series’ central question: what happens when getting your wish comes at a terrible price?
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7. Supporting Cast and Other Important Characters
Beyond the five central students, If Wishes Could Kill features supporting performers who expand the story’s supernatural mythology and school setting.
- Jeon So-nee as Haetsal / Kang Ha-young: Ha-joon’s shaman sister, who helps the group investigate and confront the supernatural threat.
- Roh Jae-won as Bangwool: A shaman involved in efforts to understand the curse and its origins.
- Kim Si-a as Do Hye-ryeong: A character connected to the history behind Girigo and the events that gave rise to the curse.
- Jo Wan-ki as the homeroom teacher: A school authority figure in the students’ world.
- Yoon Sa-bong as Coach Song: A supporting character connected to the school setting.
- Choi Ju-eun as Kwon Si-won: A character whose connection to the curse becomes significant to the larger mystery.
These supporting roles help connect the present-day crisis to the characters’ past experiences, personal conflicts, and the supernatural history behind the app.
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8. If Wishes Could Kill Plot and Character Relationships
The story follows five high school friends at Seorin High School whose lives change after they encounter Girigo, a mysterious app that appears to grant wishes. Instead of delivering uncomplicated happiness, the app attaches terrifying consequences to the desires it fulfills.
The plot combines several elements:
- Friendship: The students must depend on one another as the danger grows.
- Jealousy and resentment: Personal rivalries become part of the larger conflict.
- Romantic tension: Feelings between characters complicate their relationships.
- Supernatural horror: The app’s countdown and mysterious forces create a growing sense of dread.
- Uncovering the past: The group investigates the origins of Girigo to discover how the curse can be stopped.
The characters’ relationships matter because the horror is not limited to mysterious deaths or frightening events. The series also examines how envy, emotional pain, and unresolved conflict can affect people and the choices they make.
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9. Release Date, Genre, and Episodes
Original title: Girigo
International title: If Wishes Could Kill
Release date: April 24, 2026
Format: Limited series
Episode count: 8
Genres: Korean horror, supernatural mystery, teen drama
Streaming platform: Netflix
Netflix announced the series’ global premiere for April 24, 2026. The show was presented as the platform’s first Korean young-adult horror series, combining school-life drama with occult themes and suspense.
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All eight episodes explore the consequences of the students’ wishes, the mysterious app’s origins, and their efforts to break the deadly chain of events. The limited-series format gives the story a defined arc rather than presenting it as an ongoing multi-season drama.
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10. Where to Watch If Wishes Could Kill
You can find If Wishes Could Kill on Netflix. The official Netflix title page lists the series, its episodes, the main cast, and available audio and subtitle options.
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For viewers in the United States, the most reliable way to check availability is to open the and search for the title while signed in. Available language options and playback features can vary by region and account.
If you are interested in Korean horror dramas, this series may appeal to you because it blends a supernatural curse with high school relationships, emotional conflicts, and a mystery that unfolds across eight episodes.
Frequently Asked Questions
1. Who is in the If Wishes Could Kill cast?
The main cast includes Jeon So-young as Yoo Se-ah, Kang Mi-na as Im Na-ri, Baek Sun-ho as Kim Geon-woo, Hyun Woo-seok as Kang Ha-joon, and Lee Hyo-je as Choi Hyeong-wook. Jeon So-nee and Roh Jae-won also appear in important supporting roles.
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2. Who plays the main character in If Wishes Could Kill?
Jeon So-young plays Yoo Se-ah, the central character who investigates the mysterious app and tries to protect her friends from its deadly consequences.
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3. Is If Wishes Could Kill a Korean drama?
Yes. If Wishes Could Kill is a South Korean supernatural horror series that combines high school drama, mystery, and occult elements. Its original Korean title is Girigo.
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4. How many episodes does If Wishes Could Kill have?
The series has eight episodes. All eight follow the students as they investigate Girigo, confront the curse, and search for a way to stop the supernatural events.
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5. Where can I watch If Wishes Could Kill?
You can watch If Wishes Could Kill on Netflix. Visit the official Netflix series page to check availability and the audio and subtitle options offered in your region.
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6. What is Girigo in If Wishes Could Kill?
Girigo is the mysterious wish-granting app at the center of the series. Although it appears to make people’s wishes come true, its users face terrifying consequences, including a mysterious countdown connected to the deadly curse.
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Conclusion
The If Wishes Could Kill cast brings together rising South Korean performers in a gripping supernatural horror story. Jeon So-young, Kang Mi-na, Baek Sun-ho, Hyun Woo-seok, and Lee Hyo-je lead the drama as five students facing a terrifying mystery. Supporting actors Jeon So-nee and Roh Jae-won add further depth to the supernatural storyline.
With eight episodes, the series explores friendship, jealousy, hidden secrets, and the dangerous consequences of getting what you wish for. If you enjoy Korean horror dramas that combine emotional conflicts with chilling mysteries, this series is worth exploring. Visit Netflix to check availability and discover the story behind the mysterious Girigo app.
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