Jung Ba-reum (20 Episodes)

Go Moo-chi (20 Episodes)

Oh Bong-yi (20 Episodes)

Sung Yo-han (20 Episodes)

Choi Hong-ju (20 Episodes)

Koo Dong-koo (20 Episodes)

Daniel Lee (20 Episodes)

Go Moo-won (20 Episodes)

Song Su Ho [Young] (6 Episodes)

Song Soo-jung's Mother (5 Episodes)

Sung Ji-eun (4 Episodes)

Bok Ho-nam (4 Episodes)

Na Chi-Kook's Mom (4 Episodes)

Na Chi Kook (4 Episodes)

Oh Bong-yi's Grandmother (3 Episodes)

Young Jae-hoon (3 Episodes)

Kang Ki-Hyeok (3 Episodes)

Shin Sang (3 Episodes)

Song Soo-ho (3 Episodes)

Kim Han-kook (3 Episodes)

Park Du-seok (3 Episodes)

Jo Mi-Jung (3 Episodes)

Young Choi Hong-joo (2 Episodes)

Young Go Moo-won (2 Episodes)

Young Oh Bong-yi (2 Episodes)

Han Seo-jun (2 Episodes)

Kim Joon Sung (2 Episodes)

Detective Interviewing Jae Hoon (2 Episodes)

Jung Ba-Reum's Aunt (2 Episodes)

Young Go Mu-chi (2 Episodes)

Kim Han-Kook's Mother (2 Episodes)

Staffing Agency Woman (2 Episodes)

Kang Duk Soo (2 Episodes)

Prisoner (2 Episodes)

Byun Soon-Young (2 Episodes)

OBN News Chief (2 Episodes)

Mrs. Oh (2 Episodes)

Sherlock Hong-Ju staff (2 Episodes)

Sherlock Hong-Ju staff (2 Episodes)

Reporter Yang (2 Episodes)

Jung Soo-jin (2 Episodes)

Pregnant Lady (1 Episodes)

Teenage Go Moo-chi (1 Episodes)

Go Moo-chi's Mother (1 Episodes)

Go Moo-chi's Dad (1 Episodes)

Jae-hoon's Father (1 Episodes)

Jae Min (1 Episodes)

Jae Hee (1 Episodes)

Young Jae-hoon (1 Episodes)

Attorney Hwang (1 Episodes)

Woo Jae-pil (1 Episodes)

Police Commissioner (1 Episodes)

Song Soo-jung (1 Episodes)

Jung Ba-Reum's Uncle (1 Episodes)

Choi Young-shin (1 Episodes)

Shin Sung-min (1 Episodes)

Shin Jae-hyung (1 Episodes)

Kim Ji-wan (1 Episodes)

Jung Joong-suk (1 Episodes)

Kim Woo-seon (1 Episodes)

President (1 Episodes)

Government Official (1 Episodes)

Koo Dong-Koo's Mom (1 Episodes)

Sisters Killer (1 Episodes)

Witness (1 Episodes)

Nurse (1 Episodes)

Jae-hoon's Teacher (1 Episodes)

Prison Doctor (1 Episodes)

Student's Mom (1 Episodes)

Teacher (1 Episodes)

Male Talk Show Guest (1 Episodes)

Female Talk Show Guest (1 Episodes)

Second Male Talk Show Guest (1 Episodes)

Police Officer (1 Episodes)

Orphanage Employee (1 Episodes)

Grocery Store Employee (1 Episodes)

Hostess Bar Manager (1 Episodes)

Park Hye Won (1 Episodes)

Byun Min-Ji (1 Episodes)

Fact Check host (1 Episodes)

Min-Jung (1 Episodes)

Bully (1 Episodes)

[Motorcycle deliveryman] (1 Episodes)

Government Employee (1 Episodes)