as Student
as Chan-young
as Sang-sik
as Han Sang Jin
as Audition staff
as Upstairs Neighbor
as Kang Yoon-ki
as Kim Yong-san
as Gu Jeong-hoon
as Do Jae-jin
as Han Joo-hyeok
as Chan
as Kwak Sang-Pil
as Lee Do-han
as Nam Ji-hoon
as Seo Tae-hwa
as Ji Eun-woo