Lee Dong-jin (10 episodes)
Park Mi-jeong (10 episodes)
Kim Sung-Min (10 episodes)
Park Sang-Ho (10 episodes)
Kim Joong-hyeok (10 episodes)
Heo Eun-sil (10 episodes)
Oh Mi-sook (10 episodes)
Park Byeong-se (10 episodes)
Seo Da-eun (10 episodes)
[Midong High alumni] (2 episodes)
Director (10 episodes)
Comic Book (10 episodes)