Full cast of Hunter with a Scalpel

Lee Doo-seok

Hong Jin-Woo / Hong Jin U

32 episodes

Park Ju-hyun

Seo Se-hyeon

16 episodes

Park Yong-woo

Yoon Jo-gyun

16 episodes

Kang Hoon

Jeong Jeong-hyeon

16 episodes

Ryu Seung-su

Jeon Chang-jin

16 episodes

Bin Chan-uk

Seok U

16 episodes

Ryu Hae-jun

Oh Min-ho

16 episodes

Choi Kwang-je

Jang Hyeok Geun

16 episodes

Kim Min-sang

Choi Jong Su

16 episodes

Kang Seong-jin

Kim Jin Rae

16 episodes

Jin Ga-eun

Cheon Su Yeon

16 episodes

Shin Yeon-woo

Ko Eun Seo [Se Hyeon's sister]

16 episodes