Drama, Sci-Fi & Fantasy, Action & Adventure
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
Kim Ki-haeKim Chi-yeol
Shin Myung-sungIm Woo-taek
Shin Hyun-sooLee Chun-ho
Im Se-miPark Eun-young
Ahn Do-gyuGuk Young-su
Kim Min-chulDoh Su-chul
Kim Su-gyeomKwon Il-ha
Ro Jong-hyunJang Young-hoon
Woo Min-kyuKim Duk-joong
Yeo Joo-haKim You-jung
Ahn Da-eunKim In-hye
Lee YeonRoh Ae-sul
Kwon Eun-binYeon Bo-ra
Moon Sang-minWang Tae-man
Choi Moon-heeLee Na-ra
