How Have You Been

Bang Min-ah

as

Yeon Kyung

Lee Ga-sub

as

Hyun Soo

Yoo Seon-ho

as

Guitar

Park Jong-hwan

as

Soo-bong

Gong Min-jeung

as

Min-jeong

Park Joo-hee

as

Yoon-gyeong

Kim Hak-seon

as

Yong-gyu

Yang Jo-a

as

Teacher

Ra Mi-ran

as

Ran-sook

Park Seong-yeon

as

Young-hee

Kim Do-wan

as

Audition staff

Park Hee-von

as

Glasses