Yeon-Seo Oh

Joo Seo-yeon

Ahn Jae-Hyun

Lee Kang-woo

Kim Seul-gi

Kim Mi-kyeong

Gu Won

Lee Min-hyeok

Jeong-min Heo

Park Hyeon-soo

Hyuntae Lim

Han Jeong-ho

Jonghyeong

Joo Seo Joon's trainee

Kyoungyoon

Joo Seo Joon's trainee

Wondae

Joo Seo Joon's trainee

Hwang Woo-seul-hye

Lee Kang Hee

Dong-won Seo

Doctor Kim

Min Woo-Hyuk

Joo Won-jae

Jae-Yong Kim

Joo Seo Joon

Yoon Hae Young

Oh Mi Ja

Yoo-sang Jang

Choi Ho-dol

Da Hun Yun

Kang-woo's Father

Hae-eun Joo

Lee Joo-hee

Ji-Hoon Shin

Park Seok-min