as Baseball Team Manager
as Jung-san
as Ah-gwi's Thug
as Jun-ho
as Yuk-son
as Boss
as Fitness trainer
as Jung Ji Sub's friend
as Hae-soo
as Critic
as Gi-hoon
as Sung-hyun
as Ho-chul
as Manager
as Byun Jung Hoo
as Park Min-guk
as Choi Doha
as Lee Sang-in
as Bae In-cheol
as man in charge
as Lee Jung-yeol
as Namgung I-hwan
as Lee Seo-joon
as Seo Cheong-myeong
as [Ho Su's father]
as Director Sa
as Park Dong-ah
as Choi Sang-rok
as Lee Dae-chan
as Seok Do-hoon
as Cha Eun-Seok
as Jun-ki
as Kang Woo-il