as Self
as Professor Song
as Han Yun-sik
as R
as Chief Nam Kyeong-dae
as President Yoon
as Shin Jae-yeol
as Hwan
as Young-soo
as Kim Ki-young
as Moon Dok-bae / Moon Chae-ku
as Bae Tae-gon
as Wan-ho
as Moonsoo
