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