Composer
Director
Screenwriter
Main Role
-
Jang Hyuk Main Role -
Choi Soo Young Main Role -
Jin Seo Yun Main Role
Support Role
-
Jang Hyun SungChoi Hyung Pil [Chief / Senior superintendent]Support Role -
Ryu Seung SooYang Man Soo [Veteran detective at RIU]Support Role -
Shin Soo HoJang Tae Sung [Detective at RIU]Support Role -
Ha Sung KwangCha Man Suk [Soo Young's father]Support Role -
Eum Moon SukKang Dong Sik [Su Yeong's colleague at Patrol division]Support Role -
Yoo Hee JeLee Ji Min [Detective at RIU]Support Role -
Kim Dong GyunPark Sun Ung [Mucheon Metropolitan Police]Support Role -
Lee Joong Yul[Hongwoon Police Station Chief]Support Role -
Choi Jae Sub[Medical examiner]Support Role -
Choi Hyung JooKim Yo HanSupport Role
Guest Role
-
Lee Ga Hyun[Soo Young's friend] (Ep. 1)Guest Role -
Shin Hyun JongKim Sung Jin [Police commissioner] (Ep. 1)Guest Role -
Kwon Oh Jin[Sheep hunter] (Ep. 1-2)Guest Role -
Kim Su InCha Soo Young [Young] (Ep. 1-2, 4, 11)Guest Role -
Kim Heung RaeGang Seung Hwan [Murder Culprit] (Ep. 1-3, 6)Guest Role -
Bae Jung Hwa[Soo Young's mother] (Ep. 1, 4)Guest Role -
Song Young KyuNa Jun Suk [Profiler] (Ep. 1-4)Guest Role -
Kim Young WoongChief Bang [Section chief] (Ep. 1, 6-7, 11)Guest Role -
Kim Ba DaShin Gyung Soo (Ep. 1-6, 12)Guest Role -
Moon Sun YongKim Sang Gil [Young] (Ep. 1, 12)Guest Role -
Lee Gyu Bok[Investigation Team 2 detective] (Ep. 2-4, 6)Guest Role -
Seo Dong Gap[Investigation Team 2 Head] (Ep. 2-4, 6, 14-16)Guest Role -
Lee Shi WonHan Yi Soo [Hyun Jae's fiancè] (Ep. 2, 5, 15)Guest Role -
Ha Jung Min[Woman walking dog] (Ep. 3)Guest Role -
Kim Seo HaJung Chan Goo [Veterinarian / Culprit] (Ep. 3-4)Guest Role -
Lee Hyun KyunDoctor Ahn (Ep. 3, 5)Guest Role -
Park Ji HoonKim Myung Woo [Culprit] (Ep. 4)Guest Role -
Kim Jae Cheol[Live TV Show director] (Ep. 4)Guest Role -
Jo Yeong JinJo Sang Gyung [Commissioner General] (Ep. 4)Guest Role -
Jang Tae Min[Inn manager] (Ep. 5, 8)Guest Role -
Kim Tae YulGil Hyun Soo [Mute kid] (Ep. 6-7)Guest Role -
Jo Wan KiNoh Sang Chul [Paedophile] (Ep. 6-8)Guest Role -
Baek Ji WonKim Na Hee [Lawyer] (Ep. 6-8)Guest Role -
Jin Yong Wook[Min Joo Hyuk's father] (Ep. 7)Guest Role -
Ha Hoe JungPark Jung Woo [Culprit] (Ep. 7)Guest Role -
Baek In KwonKim Pan Geun [Gangster] (Ep. 8)Guest Role -
Joo Jin MoHa Tae Shik [Gang leader] (Ep. 8-9)Guest Role -
Yoon Jong SeokJoo Sa Gang [Witness] (Ep. 8-9, 15)Guest Role -
Kim Han JongCho Bang Man (Ep. 8-11)Guest Role -
Park Yong[Police director - 5 years ago] (Ep. 9)Guest Role -
Park Boo GunChoi Doo Man [Gang leader] (Ep. 9)Guest Role -
Seo Eun WooLee Yoon Jung / Lee Yoo Mi (Ep .9-10)Guest Role -
Shin Seung HwanUhm Soo Tak (Ep. 9, 11)Guest Role -
Lee Ki HyukWon Se Yoon [Managing Partner of Wonseo Group] (Ep. 10)Guest Role -
Choi Ji Yeon[Yooseong Hospital Nurse Receptionist] (Ep. 10)Guest Role -
Jung Soo KyoMin Hyung Ju [Se Yoon's secretary] (Ep. 10)Guest Role -
Park Ya Sung(Ep. 10)Guest Role -
Kang Ae SimChim Sa Bong / Bong Yeon Ja [Financial broker] (Ep. 11-12)Guest Role -
Yoon Sang HwaKim Sang Gil [Hit-and-run culprit] (Ep. 11-12)Guest Role -
Heo WoongLee Jong Soo (Ep. 11-13)Guest Role -
Kyung Sung HwanKim Jung Hwan / "Dominic" (Ep. 12)Guest Role -
Lee Kwang Se[Orphanage director] (Ep. 12)Guest Role -
Oh Cho Hee[Sang Gil's wife] (Ep. 12)Guest Role -
Jang Ji HooKim Jung Hwan (Ep. 12-13)Guest Role -
Oh Ja HunShin Gyung Soo [Child] (Ep. 12-13)Guest Role -
Lee Ga KyungLee Ji Sun [The Guy's victim] (Ep. 12-14)Guest Role -
Kim Jung JinShim Soo Hyun [Detective] (Ep. 13)Guest Role -
Yoo Yong[NFS control room] (Ep. 13)Guest Role -
Oh Ki HwanSeo Gi Suk (Ep. 14)Guest Role -
Kim So Yang[Prisoner transport officer] (Ep. 15)Guest Role -
Kim Mi Ra[Doctor] (Ep. 16)Guest Role -
Kim Seon Gyeong[Panel woman]Guest Role -
Kwak Na Yeon[Lawyer]Guest Role -
Song Young Ah[Employee]Guest Role -
Nam Hee Soo[NFS staff]Guest Role -
Ahn Joong KwonReporter JoGuest Role -
Kim Wang Do[Criminal Investigation Team]Guest Role -
Jeon Jeong Il[Villager]Guest Role -
Hwang Yun Seon[Press conference reporter]Guest Role -
Xooos Guest Role -
Lee Chang Won Guest Role -
Lee Seung Jin Guest Role -
Lee Hye Jo[Nurse]Guest Role -
Yu Yeon Su[Female victim]Guest Role
Unknown
-
Kim Soo Yeon Unknown -
Ahn Jong Min Unknown -
Yoon Se Eun Unknown -
Jin Jae Hee Unknown -
Kwon Tae Jin Unknown -
Kang Yeong Taek Unknown -
Seo Dong Gyu Unknown
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