When mysterious alien spheres start invading the world, high school students are called upon to join the world’s first war against extraterrestrial forces.
Main Cast of Duty After School
Shin Hyun-soo
Lee Chun-ho
Kim Ki-hae
Kim Chi-yeol
Ahn Do-gyu
Guk Young-su
Kim Su-gyeom
Kwon Il-ha
Woo Min-kyu
Kim Duk-joong
Yeo Joo-ha
Kim You-jung
Ahn Da-eun
Kim In-hye
Lee Yeon
Roh Ae-sul
Kim Min-cheol
Doh Su-chul
Kwon Eun-bin
Yeon Bo-ra
Moon Sang-min
Wang Tae-man
Choi Moon-hee
Lee Na-ra
Kim So-hee
Lee Soon Yi
Ji Min-hyuk
Jo Young-shin
Yoon Jong-bin
Jo Jang-su
Shin Su-hyun
Cha So-yeon
Hong Xa-bin
Woo Hee-rak
Shin Hye-ji
Choi Yeon-ju
Lee Soon-won
Kim Won-bin
Shin Myung-sung
Im Woo-taek
Oh Se-eun
Hong Jun Hee
Lim Se-mi
Park Eun-young
Ro Jong-hyun
Jang Young-hoon
Hwang Se In
Yoo Ha-Na
Kim Jung-Ran
Park So Yoon
Secondary Cast of Duty After School
![Lee Jang-won as [Math teacher]](https://image.tmdb.org/t/p/w185/8eAZPi2FmydvJFo5audY4V50JOq.jpg "Lee Jang-won")
![Son Ji-na as [Yeon Bo Ra's mother]](https://image.tmdb.org/t/p/w185/kY3YZKRxfF1Prj67eaHQXEk2ZEA.jpg "Son Ji-na")
![Yoo Dam-Yeon as [Kim Chi Yeol's mother]](https://image.tmdb.org/t/p/w185/34SvDtlBhfeQV9RPTrOmPGJBkvd.jpg "Yoo Dam-Yeon")
![Jang Hyuk-jin as [Kim Chi Yeol's father]](https://image.tmdb.org/t/p/w185/gBI4xgvtCBLTLz25jA6JgB0xccd.jpg "Jang Hyuk-jin")
![Shim So-young as [Kook Young Soo's mother]](https://image.tmdb.org/t/p/w185/bvwnlm90dTpS9TySJgBQ00Ag8Ai.jpg "Shim So-young")
![Kim Do-yeon as [Kim Deok Joong's mother]](https://image.tmdb.org/t/p/w185/3OKLEqZo4I9gJjvtp1JcrXmxcEc.jpg "Kim Do-yeon")
![Seo Ji-young as [Jang Young Hoon's mother]](https://image.tmdb.org/t/p/w185/xjKNPKUBjGhKIF5eT0KiPqsYMJR.jpg "Seo Ji-young")
![Woo Hyun-ju as [Kwon Il Ha's mother]](https://image.tmdb.org/t/p/w185/NGmADgK1ozkCCIB8I1x2TDDwyu.jpg "Woo Hyun-ju")
![Ahn Chang-hwan as [Soldier]](https://image.tmdb.org/t/p/w185/hR040U4qzZYBj52ASHxBWi0YKfg.jpg "Ahn Chang-hwan")
![Han Myeong-hwan as [Soldier]](https://image.tmdb.org/t/p/w185/4X0xqbfdvyxczU7wpZxNq8U92Bj.jpg "Han Myeong-hwan")
![Lee Dong-kyu as [Anchorman]](https://image.tmdb.org/t/p/w185/idCZj9rvteQKVFskwMdqj3NsFpF.jpg "Lee Dong-kyu")
![Lee Dong-yong as [Commander]](https://image.tmdb.org/t/p/w185/yxdefB0pVcXO0chjuECy9xliZb2.jpg "Lee Dong-yong")
Shin Min-soo
[Teacher]
Noh Sung Eun
[Soldier]
Kim Yong-jin
Han Hyun Joong
Crew of Duty After School
Full backstage crew list →- Released on March 31, 2023