Aktorët

• Jang Geun-suk — MC
• Kim Hyo-jin — JeA (Vocal Trainer)
• Kim Sung Eun — Vocal Trainer
• Cheetah — Rap Trainer
• Kahi — Dance Trainer
• Bae Yoon-jung — Dance Trainer
• Ray Yang — Fitness Trainer
• Ennik Somi Douma — Somi
• Kim Se-jeong — Sejeong
• Choi Yoo-jung — Yoojung
• Kim Chan-mi — Chungha
• Kim So-hye — Sohye
• Zhou Jieqiong — Jieqiong
• Jung Chae-yeon — Chaeyeon
• Kim Do-yeon — Doyeon
• Kang Mi-na — Mina
• Im Na-young — Im Nayoung
• Yoo Yeon-jung — Yeonjung
• Han Hye-ri — Han Hye-ri
• Luri — Soo Hyun
• Kim Na-young — Na Young
• Kim So-hee — So Hee
• Yoon Chae Kyung — Chae Kyung
• Lee Hae-in — Hae In
• Hong Eun-Ki — Hong Eun-Ki
• Ahn Hyeong-seop — Hyeongseop
• Kang Daniel — Daniel
• Park Ji-hoon — Jihoon
• Lee Dae-hwi — Daehwi
• Kim Jae-hwan — Jaehwan
• Ong Seong-wu — Seongwu
• Park Woo-jin — Woojin
• Lai Guanlin — Guan Lin
• Yoon Ji-sung — Jisung
• Hwang Min-hyun — Minhyun
• Lee Eui-woong — Euiwoong
• Bae Jin-young — Jinyoung
• Ha Sung-woon — Sungwoon
• Kim Jong-hyeon — Jonghyun
• Kang Dong-ho — Dongho
• Choi Min-gi — Minki Choi
• Jeon So-yeon — Soyeon
• Kim Dong Bin — Kim Dong-Bin
• Jang Moon-Bok — Mook-Bok
• Kim Samuel — Samuel
• Lee Insoo — Insoo
• Choi Dong Ha — Dongha
• Kim Chan — Chan
• Kim Jae Han — Jaehan
• Lee Seo-ho — Gunmin
• Lee Keon-hee — Keonhee
• Yeo Hwan-woong — Hwanwoong
• Ryu Hoyeon — Hoyeon
• Kim Si-hyeon — Sihyun