Season 1
Cast List
Seong-wu Ong
Choi Jun Woo
Hyang-gi Kim
Yoo Soo-bin
Seung-Ho Shin
Ma Hwi-young
Kang Ki-young
Oh Han-kyeol
Kim Do-Wan
Jo Sang-hoon
Moon-Bin
Jung Oh Je
Kim Sun-young
Yoon Song-hee (Soo-bin's mother)
Yi-yeong Shim
Lee Yeon-woo
Park Sung-Geun
Lee Guan Yong [Vice Principal]
Yoo In-soo
Yoo Pil-sang
Jung Young-joo
Park Geum Ja
Young-ji Heo
Kim Ji Min
Sungmin Han
Hwang Ro-mi
Choi Dae-hoon
Son Je Yeong
Baek Jae-Woo
Go Dong
Kim Ji-Woo
Sin Jeong-hoo (child)
Geon-Hee Song
Shin Jeong Hu
