Ahn Jae-hyun

Lee Kang-Woo

Kim Tae-hyung

Lee Min-Hyeok

Oh Yeon-seo

Joo Seo-Yeon

Kim Seul-gi

Kim Mi-Kyung

Heo Jung-min

Park Hyun-Soo

Min Woo-hyuk

Joo Won-Jae

Cha In-Ha

Joo Won-Suk

Kim Jae-yong

Joo Seo-Joon

Lee Jung-sic

Bully University Student

Kwon Oh-kyung

[Chief Affairs of Shinhwa high school]

Park Young-soo

Vice principal of Sinhwa high school

Shin Do-hyun

Baek Jang-Mi

Hwang Woo-seul-hye

Lee Kang-Hee

Joo Hae-eun

Lee Joo-Hee

Seo Dong-won

Doctor Kim

Yoon Hae-young

Oh Mi-Ja

Kim Yeong-ok

Chairwoman Han

Jang Yoo-sang

Choi Ho-Dol

Yoon Da-hoon

Kang-Woo's father

Shin Ji-hoon

Park Seok-Min

Kang Tae-oh

Jung-Tae

Oh Jin-seok

Director

Ahn Shin-Yoo

Writer