A superhero drama about Soo-yeol who has lived his whole life as a materialistic police detective, but changes into a champion for justice and fights against police corruption when a hidden persona called "K" awakens inside him.
Lee Dong-wook
Ryu Soo-yeol
Wi Ha-jun
K
Han Ji-eun
Lee Hee-gyeom
Cha Hak-yeon
Oh Kyung-tae
Kang Ae-sim
Seo Seung-sook
Kim Dae-gon
Ryu Dong-yeol
Cha Si-won
Yang Jae-seon
Lee Sang-hong
Do In-bum
Kim Hieora
Boss Yong
Lee Seung-heon
Kim Kyung-joon
Sung Ji-ru
Kwak Bong-pil
Lee Jin-hong
Yang Jae-seon
Lee Hwa-ryong
Kim Kye-shik
Shin Ju-hwan
Heo Jong-goo
Cho Dong-in
Jung Chan-ki
Won Hyun-jun
Andrei Kang
Im Gi-hong
Do Yu-gon
Park Se-jun
Nam Eun-seok
Choi Kwang-je
Yum Geun-soo
Han Gi-joong
Kim Sung-ho
Lee Dong-wook
Ryu Soo-yeol
Wi Ha-jun
K
Han Ji-eun
Lee Hee-gyeom
Cha Hak-yeon
Oh Kyung-tae
Kang Ae-sim
Seo Seung-sook
Kim Dae-gon
Ryu Dong-yeol
Cha Si-won
Yang Jae-seon
Lee Sang-hong
Do In-bum
Kim Hieora
Boss Yong
Lee Seung-heon
Kim Kyung-joon
Sung Ji-ru
Kwak Bong-pil
Lee Jin-hong
Yang Jae-seon
Lee Hwa-ryong
Kim Kye-shik
Shin Ju-hwan
Heo Jong-goo
Cho Dong-in
Jung Chan-ki
Won Hyun-jun
Andrei Kang
Im Gi-hong
Do Yu-gon
Park Se-jun
Nam Eun-seok
Choi Kwang-je
Yum Geun-soo
Han Gi-joong
Kim Sung-ho
Lee Dong-wook
Ryu Soo-yeol
Wi Ha-jun
K
Han Ji-eun
Lee Hee-gyeom
Cha Hak-yeon
Oh Kyung-tae
Kang Ae-sim
Seo Seung-sook
Kim Dae-gon
Ryu Dong-yeol
Cha Si-won
Yang Jae-seon
Lee Sang-hong
Do In-bum
Kim Hieora
Boss Yong
Lee Seung-heon
Kim Kyung-joon
Sung Ji-ru
Kwak Bong-pil
Lee Jin-hong
Yang Jae-seon
Lee Hwa-ryong
Kim Kye-shik
Shin Ju-hwan
Heo Jong-goo
Cho Dong-in
Jung Chan-ki
Won Hyun-jun
Andrei Kang
Im Gi-hong
Do Yu-gon
Park Se-jun
Nam Eun-seok
Choi Kwang-je
Yum Geun-soo
Han Gi-joong
Kim Sung-ho