Kim Dae-myung

as Yang Seok-hyeong

as Oh Soon-young

as Kim Sang-hoon

as Lee Dong-hyeok

as Self

as Self

as Thunder (voice)

as Thunder (voice)

as Self

as Self

as Himself

as Seok-ku

as Man-cheol

as Himself

as Yang Seok-hyeong

as Lee Doo-hwan

as Self

as Jang Dong-gyoo

as Sung-geun

as Gil-seop

as Jo-Joon

as Kim Bong-guk

as Fitness Trainer

as Self

as Go Sang-chul

as Han Seung-woo

as Woo-jin 1

as Crown Prince Sado

as Kim Dong-sik

as Billiard Hall Boss

as Gang Yong-hwi

as Jang Gyu-ho

as Yang Tae-seop

as Park Shin-woo (voice)

as Self