A talented martial artist who can't walk past a person in need unites with a probation officer to fight and prevent crime as a martial arts officer.
Lee Jung-do
Kim Sun-min
Kang Ki-jung
Cho Min-jo
Han Byung-soon
Moisture
Writer K
Earthworm
Lee Sang-woo
Ha Sun-jung
Kim Min-wook
Lee Yang-ho
Kim Gum-nam
An Joong-ho
Police Sergeant Choi
President
Self-defense Shop Clerk
Profiler
Lee Min Ju
2F girl
Grandma
Hyun Yu-jin
Belief Resource MZ Gangster
Abandoned Shopping Mall MZ Gangster
Abandoned Shopping Mall MZ Gangster
Inn owner
Park Jin-soo
Min Do-woong
Lee Jong-in
Cheol-joon
Heo Dong-won
Jeong Byeong-geun
Writer Kang's Mom
Manager Park
