Composer
Director
Screenwriter
Main Role
- Kim Hye Soo Main Role
- Kim Mu Yeol Main Role
- Lee Sung Min Main Role
- Lee Jung Eun Main Role
Support Role
- Lee Sang HeeJoo Yeong ShilSupport Role
- Park Ji YunWoo Soo MiSupport Role
- Shin Jae HwiSeo BumSupport Role
- Geum Kwang SanKyung Joong Han [Bailiff]Support Role
- Park Jong HwanGo Kang Shik [Detective]Support Role
- Kim Joo HeonNamgoong Lee HwanSupport Role
- Choi Jung WooKim Dong Hyo [Chief judge]Support Role
- Hwang Hyun JeongHan Ye EunSupport Role
- Ban Hye Young[Court-appointed lawyer ]Support Role
Guest Role
- Kang Suk Won[Restaurant manager] (Ep. 1)Guest Role
- Lee Jin Kwon[Internet cafe employee] (Ep. 1)Guest Role
- Yoo Jung HoKim Hyeong Jun [Reporter] (Ep. 1)Guest Role
- Han Yi Jin[Current Events N Issues staff] (Ep. 1)Guest Role
- Hwang Ji A[Party girl] (Ep. 1)Guest Role
- Lee Young Joo[Restaurant diner] (Ep. 1)Guest Role
- Jo Mi NyeoWoo Seol Ah (Ep. 1-2)Guest Role
- Lee Joo WonYun Ji Hoo (Ep. 1-2)Guest Role
- Park Bo Kyung[Ji Hoo's mother] (Ep. 1-2)Guest Role
- Park Ok Chool[Sung Woo's mother] (Ep. 1-2)Guest Role
- Lee YeonBaek Seong U (Ep. 1-2, 10)Guest Role
- Lee Dong Kyu[Current Events N Issues host] (Ep. 1, 3)Guest Role
- Shim Dal GiSeo Yu Ri (Ep. 1, 3-4, 10)Guest Role
- Cha Young Ju[Current Events N Issues Staff] (Ep. 1, 7)Guest Role
- Song Deok HoKwak Do Seok (Ep. 1, 7-8)Guest Role
- Kim Chan Hyung[Ji Hoo's father] (Ep. 2)Guest Role
- Gu Bon Jin[Seong U's attorney] (Ep. 2)Guest Role
- Kim Byung Chul[Psychiatrist] (Ep. 2)Guest Role
- Lee Chae Hyun[Ji Hoo's cousin] (Ep. 2)Guest Role
- Shin Hee Gook[Juvenile Criminal Division staff] (Ep. 2, 9)Guest Role
- Jo Soo Ha[Juvenile Criminal Division staff] (Ep. 2, 7, 9)Guest Role
- Kim Young AhHeo Chan Mi [Geobo Law Firm Attorney] (Ep. 2, 7, 9-10)Guest Role
- Kim Mi Hye[Reporter] (Ep. 3)Guest Role
- Kim Mi Ji[Nurse] (Ep. 3)Guest Role
- Hong Ye Ji[Nurse] (Ep. 3)Guest Role
- Na Ho WonLee Jeong Seok [Judge] (Ep. 3)Guest Role
- Son Sung Chan[Judge] (Ep. 3)Guest Role
- Park Hye Jin[Tae Joo's mother] (Ep. 3)Guest Role
- Kang Eun Jin[Hair salon manager] (Ep. 3)Guest Role
- Eom Ok Ran[Convalescent hospital caregiver] (Ep. 3)Guest Role
- Kim Su Gyeom[Gang member] (Ep. 3)Guest Role
- Lee Jae Hak[Gang member] (Ep. 3)Guest Role
- Hyun Bong SikSeo Won Seok [Yu Ri's father] (Ep. 3-4)Guest Role
- Lee Joo Shil[Yu Ri's grandmother] (Ep. 3-4)Guest Role
- Kim Ki MinCha Tae Joo [Young] (Ep. 3-4)Guest Role
- Yoo Jae MyungEom Jun Gi [Assemblyman] (Ep. 3-4, 6-7)Guest Role
- Shin Yeon WooChi Hyeon [Detective] (Ep. 3, 5, 9)Guest Role
- Kang Hak SooMr. Yoo (Ep. 4)Guest Role
- Lee Ji MinYoo Hyeon Ji (Ep. 4)Guest Role
- Oh Min Jung[Eun Sol's mother] (Ep. 4)Guest Role
- Yoo Sung Joo[SY Chemicals Chairman] (Ep. 4)Guest Role
- Yeom Hye RanOh Seon Ja (Ep. 4-5)Guest Role
- Kim Bo YoungChoi Young Na (Ep. 4-5)Guest Role
- Choi Ji SuOh Yeon Ji (Ep. 4-5)Guest Role
- Ha Yi AnWoo Min Gyeong (Ep. 4-5)Guest Role
- Jo Yoon SooYun Eun Jeong (Ep. 4-5)Guest Role
- Yoon Seo AhGo Hye Rim (Ep. 4-5)Guest Role
- Park Jeong YunDo Yoo Kyung (Ep. 4-5)Guest Role
- Lee Won Jin[Doctor] (Ep. 4-5)Guest Role
- Park Chae HeeKim Ah Jin (Ep. 4-5)Guest Role
- Jung Yi JuKim Ah Reum [Seon Ja's daughter] (Ep. 4-5, 10)Guest Role
- Im Yu Ran[Juvenile offender's mother] (Ep. 5)Guest Role
- Choi Jae Sub[Motel guy] (Ep. 5)Guest Role
- Lee Moo Nyoung[Motel clerk] (Ep. 5)Guest Role
- Jang Tae Min[Detective] (Ep. 5)Guest Role
- Kim Kyung Mi[Young Na's mother] (Ep. 5)Guest Role
- Kim Chae Hyun[OB-GYN] (Ep. 5)Guest Role
- Ha Min[Daejeon District Court judge] (Ep. 5)Guest Role
- Kang Jung Hyuk[Guardian] (Ep. 5)Guest Role
- Park Sang Yong[Guardian] (Ep. 5)Guest Role
- Kwon Ki Joo[Guardian] (Ep. 5)Guest Role
- Lee Joon HeeKim Ik Hwan (Ep. 6)Guest Role
- Kim Joon HoKang Shin Woo [Won Joong's son] (Ep. 6-7)Guest Role
- Park Mi Hyun[Shin Woo's mother] (Ep. 6-7)Guest Role
- Jang Dae WoongLee Seok Hyeon (Ep. 6-7)Guest Role
- Yoon Young Kyung[Seok Hyeon's mother] (Ep. 6-7)Guest Role
- Hwang In JoonPark Hyeon Chan [Teaching director] (Ep. 6-7)Guest Role
- Choi Hee JinHan Ji Won [Moonkwang High School teacher] (Ep. 6-7)Guest Role
- Kim Joo Ah[Moonkwang High School student's parent] (Ep. 6-7)Guest Role
- Lee Shi Hoo[Moonkwang High School Student's parent] (Ep. 6-7)Guest Role
- Kim Jung Hwan[Prosecutor] (Ep. 7)Guest Role
- Jang Eui Don[Won Joong's colleague] (Ep. 7)Guest Role
- Lee Ja Ryoung[Won Joong's colleague] (Ep. 7)Guest Role
- Jung Soo BinBaek Mi Ju (Ep. 7-8)Guest Role
- Lee Suk HyeongLee Nam Kyeong (Ep. 7-8)Guest Role
- Jung Ye NokKim Yi Seon (Ep. 7-8)Guest Role
- Lee Joon SungKang Tae Hun (Ep. 7-8)Guest Role
- Son Kyung Won[Attorney] (Ep. 7-8)Guest Role
- Lee Se Rang[Do Seok's mother] (Ep. 7-8)Guest Role
- Lee Bom[Gyu Sang's wife] (Ep. 7-8)Guest Role
- Kwon Ban Suk[Juvenile Criminal Division Staff] (Ep. 7, 9)Guest Role
- Seung Eui Yeol[Mi Ju's father] (Ep. 8)Guest Role
- Kim Moon Chan[Nam Kyeong's father] (Ep. 8)Guest Role
- Park Jae Won[Yi Seon's father] (Ep. 8)Guest Role
- Kim Na In[Tae Hun's father] (Ep. 8)Guest Role
- Kim Wang Do[Auto Brothers employee] (Ep. 8)Guest Role
- Oh Tae Eun[Guardian] (Ep. 5)Guest Role
- An Young Mi[Guardian] (Ep. 5)Guest Role
- Lee Ye Joo[Kyu Sang's daughter]Guest Role
- Hwang Hee Jung[Auto Brothers employee] (Ep. 8)Guest Role
- Choi Da Young[Nurse] (Ep. 9)Guest Role
- Lee Ho Yeol[Doctor] (Ep. 9)Guest Role
- Kim Joon Won[Kang Seon A's father] (Ep. 9)Guest Role
- Kim Eun Woo[Eun Seok's colleague] (Ep. 9)Guest Role
- Seo Dong Gab[Baek Ha Rin's father] (Ep. 9)Guest Role
- Jeon Guk HyangYoo Hye Sun [Yi Hwan's mother] (Ep. 9)Guest Role
- Lee Young Shil[In Jun's guardian] (Ep. 9-10)Guest Role
- Kang Chae YoungKang Seon A (Ep. 9-10)Guest Role
- Jung Soo Ji[Kang Seon A's sister] (Ep. 9-10)Guest Role
- Jung Se HyunHwang In Jun (Ep. 9-10)Guest Role
- Kim Do GeonSeo Dong Gyun (Ep. 9-10)Guest Role
- Kim Joon SungOh Gyeong Soo (Ep. 9-10)Guest Role
- Seo Soo HeeBaek Ha Rin (Ep. 9-10)Guest Role
- Park Si WonHwang In Jun [Child] (Ep. 9-10)Guest Role
- Yoo Joo WonBaek Do Hyeon [Child] (Ep. 9-10)Guest Role
- Kim Kyun HaBaek Do Hyeon (Ep. 10)Guest Role
- Ko Na Young[Motel clerk] (Ep. 10)Guest Role
- Song Chang Gyu[Motel clerk] (Ep. 10)Guest Role
- Lee Chae Eun[Runaway teen] (Ep. 10)Guest Role
- Chung Seung Je[Tutor]Guest Role
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