Full cast of Duty After School
Kim Su-gyeom
Kwon Il-ha
10 episodes
Woo Min-kyu
Kim Duk-joong
10 episodes
Yeo Joo-ha
Kim You-jung
10 episodes
Ahn Da-eun
Kim In-hye
10 episodes
Choi Moon-hee
Lee Na-ra
10 episodes
Kim So-hee
Lee Soon Yi
10 episodes
Oh Gi-gwang
Jo Jang-su
10 episodes
Shin Hye-ji
Choi Yeon-ju
10 episodes
Lee Soon-won
Kim Won-bin
10 episodes
Hwang Se-in
Yoo Ha-Na
10 episodes
Oh Se-eun
Hong Jun Hee
10 episodes
Kim Jung-Ran
Park So Yoon
10 episodes
Im So-yun
Science High School student
10 episodes
Kim Gyu-ri
Science high school student
10 episodes
Lee Jung-min
Seo Ja Yoon
2 episodes
Shin Jae-whi
Corporal Park
2 episodes
Sung Ji-ru
Park Young Il
2 episodes
Park Jung-yeon
Park Yoon-seo
2 episodes
Lee Jang-won
[Math teacher]
1 episode
Son Ji-na
[Yeon Bo Ra's mother]
1 episode
Yoo Dam-Yeon
[Kim Chi Yeol's mother]
1 episode
Kim Do-yeon
[Kim Deok Joong's mother]
1 episode
Woo Hyun-ju
[Kwon Il Ha's mother]
1 episode
Ahn Chang-hwan
[Soldier]
1 episode
Kim Ye-won
Angkko
1 episode
Han Myeong-hwan
[Soldier]
1 episode
Shin Min-soo
[Teacher]
1 episode
Lee Dong-kyu
[Anchorman]
1 episode
Jung Dong-geun
Park Jung Hoo
1 episode
Noh Sung-eun
[Soldier]
1 episode
Lee Dong-yong
Commander
1 episode
Song Yo-sep
Yoon Bum-sun
1 episode
You Seong-joo
Cha Moon-hyeok
1 episode
Yoo Jun
Park Jae-won
1 episode
Park Jin-soo
Lee Ji-min
1 episode