Main Characters
Jang Dong Soo
26 main appearances
Jang Dong Chul
26 main appearances
Jang Dong Woo
26 main appearances
Oh Jung Hee
26 main appearances
Recurring Guest Characters
Kang Jin
11 guest appearances
Sung Yoo Jin
11 guest appearances
Detective Gook
10 guest appearances
Detective Min
10 guest appearances
Ok Kyung Hee
10 guest appearances
Ahn Chang Bong
9 guest appearances
Hwang Jung Man
8 guest appearances
Kang Chul Min
8 guest appearances
Teen Jang Dong Soo
6 guest appearances
Detective Lee
6 guest appearances
Mrs. Pa Joo
6 guest appearances
Han Myung Jae
4 guest appearances
Oh Byung Tae
3 guest appearances
Yun Joo Ho
3 guest appearances
Dong Soo's Mother
2 guest appearances
Dong Suk Bum
2 guest appearances
Young Hwang Shin Hye
1 guest appearances
Younger Jang Dong Soo
1 guest appearances
Watanabe
1 guest appearances