Main Characters
Han Yeo Jin
18 main appearances
Kim Tae Hyun / Yong Pal
18 main appearances
Chief Surgeon Lee Ho Joon
17 main appearances
Lee Chae Young
16 main appearances
Recurring Guest Characters
Choi Sung Hoon
2 guest appearances
Doo Chul's Subordinate
2 guest appearances
Cha Se Yoon
2 guest appearances
Child Tae Hyun
2 guest appearances
Lee Hae In
2 guest appearances
Head of the Administrative Office
1 guest appearances
Young Han Yeo Jin
1 guest appearances
Yeo Jin's Subordinate
1 guest appearances