Handlung
Staffeln
Hauptdarsteller
이현우
Kang Han-Kyeol
조이
Yoon So-Rim
최민수
Kang In-Woo
이정진
Choi Jin-Hyuk
김인권
Homeroom Teacher
임예진
Kim Soon-Hee
Lee Seo-won
Seo Chan-Young
Sung Joo
Yoo Shi-Hyun
홍금비
Chae Yoo-Na
Song Kang
Baek Jin-Woo
장기용
Ji In-ho
이수련
Reporter
Jung Yoo Geun
Kang Han-Kyeol (child)
이유준
[sound engineer]
Lee Seo Hyeon
Yoon So-Rim (child)
강우제
[Yoo Hyun Jung's assistant]
김용건
[Yoo Hyun Jung's father, chairman Who Entertainment]
박종혁
Lee Kyoo Sun
신제민
Lee Yoon
유주원
Lee Kyoo Sun (young)
김민석
Koo Joon Seok
이혜빈
Trainee
연우
Trainee
김나윤
Trainee
Park Hae-soo
Bass player
양경원
[director of the competition]
Lee Jun Yong
[ member boy group from show "Produce 20"]
Lee Sang Ho
[ member boy group from show "Produce 20"]
Go Bon Kuk
[ member boy group from show "Produce 20"]
Han Jae Un
[ member boy group from show "Produce 20"]
김지웅
[ member boy group from show "Produce 20"]
