Adult Trainee

Ryu Ui-hyun

as

Seo Jae-min

Cho Mi-yeon

as

Ye Kyung

Jo Sung-Joon

as

Jin Beom

Cho Yu-jung

as

Yoo Ra

Ryeoun

as

Nam Ho

Lee Chan-hyeong

as

Song Yi Joon

Kwon Young-eun

as

Son Na-eun

Kim Min-ki

as

Kang Joon

Kang Lee-seok

as

Kang Sung Jae

Lee Kang-ji

as

Ha Jae Moo

Oh Ki-Chan

as

Lee Min Ho

Park Se-hyun

as

Kang Da Hyun

Jang Sung-yoon

as

Song Hye Bin