Shin Hyun-joon
Master Kim
Shin Hyun-joon
Master Kim
Choi Sung-kook
Master Kim
Kwon Oh-joong
Master Kim
Oh Seung-hyun
Yeon-Sil
Noh Joo-hyun
President Park of Moorimgak
Jeong Jun-ha
Nakamura
Lee Han-wi
Triplet #1
Park Cheol-min
Triplet #2
Kim Byung-man
Triplet #3
Cho Won-hee
Boss
Moon Won-ju
Tattoo
Baek Bong-ki
Ddolmanyi
Tak Jae-hoon
Master Kim (Caméo)
Kwon Oh-Min
Doryung
Park Seong gyun
Director
Baek Kyung-chan
Martial Arts Choreographer
Park Seong gyun
Writer
Kim Mi-young
Editor
Kim Sun-min
Editor
Lee Jung-woo
Production Design
Chung Tae-won
Executive Producer
Jeon Yu-jun
Fight Choreographer
Han Myeong-suk
Costume Design