Lee Jang-woo

as Self

as Self

as Self

as Self

as Shin Jo-woon

as Woo Jae-hee

as Heo Yoon-do

as Wang Dae-Ryook

as Self

as Himself

as Self

as Park Cha-dol

as David Choi

as Kuku (voice)

as Self

as Oh Ja-Ryong

as Park Tae-kang

as Seo In-woo

as Oh Soon-kyung

as Kim Do-jin

as Jang-woo

as Himself

as Mi-yeon's classmate

as Self - Host

as Student

as Kim Seo-Hyun [Young]