정건주

Cheon Hae-beom

Lee Hong-seok

Chun Joon-hwa

Won Seo-hu

Won seo-hu

Won Seo-hu

Moon Tae Oh [Do Hyun's tutor]

Self

Jung Kang-ho

Jung Yoo-Ha

Ye-sul's ex-boyfriend

Shin Gyeom

Ryu Hyung Jin [Baseball player]

Choi Kang Eu Tteum

Choi Woong

Lee Do-hwa

Choi Woong

Cha Yeon-wu

Joo Woo Jin

Mr. Choi [P.E. Teacher]

Jung Gun Joo [Intern]

[Man at expressway rest area]

Choi Woong

Jo Woo-Jin

Won Seo-Hu

Self