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