

Overview
When mysterious alien spheres start invading the world, high school students are called upon to join the world's first war against extraterrestrial forces.
Cast
55Open an episode for ages at its air date.
Full cast · 55
·
Kim Jung-RanPark So Yoon
›
Im So-yunScience High School student
›
Lee Jong-hyunPark Hae-jun
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Kim Gyu-riScience high school student
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Lee Jung-minSeo Ja Yoon
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Shin Jae-whiCorporal Park
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Sung Ji-ruPark Young Il
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Park Jung-yeonPark Yoon-seo
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Lee Jang-won[Math teacher]
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Son Ji-na[Yeon Bo Ra's mother]
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Yoo Dam-Yeon[Kim Chi Yeol's mother]
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Jang Hyuk-jin[Kim Chi Yeol's father]
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Shim So-young[Kook Young Soo's mother]
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Kim Do-yeon[Kim Deok Joong's mother]
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Seo Ji-young[Jang Young Hoon's mother]
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Woo Hyun-ju[Kwon Il Ha's mother]
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Kim Won-haeChoi Yong Sik
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Ahn Chang-hwan[Soldier]
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Jang Hyun-sungMinister of Defense Park Sang Man
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Kim Ye-wonAngkko
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Han Myeong-hwan[Soldier]
›·
Shin Min-soo[Teacher]
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Lee Dong-kyu[Anchorman]
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Jung Dong-geunPark Jung Hoo
›- TMDB ID
- 158258 ↗
- First aired
- 2023-03-31
- Last aired
- 2023-04-21
- Status
- Ended
- Episode runtime
- 70 min
- Genres
- Drama, Sci-Fi & Fantasy, Action & Adventure
- Creators
- Ha Il-kwon
- Countries
- KR
- Languages
- Korean
Family guidance
Age ratings
—Not rated in Switzerland (CH)
—Not rated in Spain (ES)
—Not rated in France (FR)
—Not rated in United States of America (US)
—Not rated in United Kingdom (GB)
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Kids-In-MindEditorial 0–10 ratings
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All regional certifications (2)
M18Singapore (SG)
No additional details available.
19South Korea (KR)
This rating is for programs that are intended for adults only. 19-rated programming cannot air during the hours of 7:00AM to 9:00AM, and 1:00PM to 10:00PM. Programmes that receive this rating will almost certainly have adult themes, sexual situations, frequent use of strong language and disturbing scenes of violence.































