Cast of Study Group
Main cast
Minhyunas Yoon Ga-min
Park Yoon-hoas Lee Hyun-woo
Cha Woo-minas Phi Han-wool
Shin Su-hyunas Lee Ji-woo
Hong Min-gias Park Geon-yeop
Lee Jong-hyunas Kim Se-hyeon
Han Ji-eunas Lee Han-kyung
Yun Sang-jeongas Choi Hee-won
Gong Do-yuas Lee Jun
Baek Seo-hooas Ma Min-hwan
Lee Gwang-heeas Jeong Do-hoon
Kim Young-ahas Jeon Mi Hyun
Jeong Jae-seongas vice-principal (Yu-seong Tech)
Joo Yeon-wooas Kim Soon-cheol
Cho Seung-yeonas dean of academic affairs (Yu-seong Tech)
Jin Woo-jinas Kim Gyu-Jin [Disciplinary Committee member]
Choi Ye-chan
Kim Min-ahas Hwang Mi-Hee (Yu-seong Tech)
Lee Dong-Hoon
Lee Dong-Hoonas Seo Yoo-bi
Kim Hwi-gyuas No. 173
