Kim Do-wan

as Park Seung-jae

as Kim Hee-seung

as Kang Yoon-ki

as Audition staff

as Lee Do-han

as Gu Jeong-hoon

as Upstairs Neighbor

as Han Joo-hyeok

as Do Jae-jin

as Kim Yong-san

as Seo Tae-hwa

as Kwak Sang-Pil

as Han Sang Jin

as Chan-young

as Chan

as Sang-sik

as Student

as Nam Ji-hoon

as Ji Eun-woo