as Man
as Team Leader Yang
as Namkoong Sang-woo
as Bae Seok-tae
as Lee Jin-seok
as Young-joon
as Chairman Kang
as Black Jumper
as Jin-sung
as Ki-tae
as Cho
as Gak Granger
as Boss
as Landlord's son
as Ji-hun
as Gym director (seg.6)
as Yoon-chul
as Soo-bong
as Yong-su
as Director Park
as Jong-hwan (seg.1)
as Park Jong-Hwan
as Hee-tae
as Joon-seok
as Gym director
as Director Byeong
as Han Hyeong-Woo
as Jong-hwan
as Young-jin
as Seung-jin
as Gi-wan
as Si-won
as Chi-won
as Jin-hyeok
as Wan-ju
as Tae-boon's Father
as Kyung-soo / Min-ho / Jong-gu
as Kubo
as Kisun
as Im Hyeon-jun
as Park Hyun-jo
as Han Young-jin
as Baek Young-chan
as Ko Gang-sik
as Byeon Deuk-jong
as Kim Hyun Jo
as Myun Jang
as Han Hyung Woo
