Director
Producer
Screenwriter
Main Role
- Kang DanielWi Seung HyunMain Role
- Chae Soo BinGo Eun GangMain Role
Support Role
- Lee Shin YoungKim TakSupport Role
- Park You NaKi Han NaSupport Role
- Park Sung JoonYoo Dae IlSupport Role
- Min Do HeeWoo Joo YoungSupport Role
- Kim Woo SeokSeo Beom JooSupport Role
- Cheon Young MinShin Ah RiSupport Role
- Park Yeon WooKang Joo ChanSupport Role
- Jung Soo BinBaek Seon YooSupport Role
- Lee Joon WooUhm HyukSupport Role
- Seo Bum JuneChoi In ShikSupport Role
- Yoon Cho HeeKim Ji EunSupport Role
- Jo Han JoonLee Myung HoonSupport Role
- Kim Seung HoPyo Hyun Seok [Head of PR team]Support Role
- Park Ji WonCho Woo Yong [PR team]Support Role
- Kim Sang HoCha Yoo Gon [KNPU police science professor]Support Role
- Choi Woo RiBang Hee Sun [KNPU criminal psychology professor]Support Role
- Seo Yi SookKim Soon Young [KNPU dean]Support Role
- Hyun Woo SungKang Nam GiSupport Role
- Son Chang MinWi Ki Yong [Seung Hyun's father]Support Role
- Ji Soo WonOh Sook Ja [Seung Hyun's mother]Support Role
- Lee Moon ShikGo Yang Chul [Eun Gang's father]Support Role
- Jung Young JooLee Hee Sook [Eun Gang's mother]Support Role
- Son So MangGo Mi Gang [Eun Gang's sister]Support Role
- Kwak Shi YangKim Hyun Soo [Tak's older brother]Support Role
- Min Kyung Ok[Tak's grandmother]Support Role
- Sa Kang[Han Na's mother]Support Role
- Kim KwonJo Han SolSupport Role
Guest Role
- Choi Jae HyunMin Yong (Ep. 1)Guest Role
- Lee Joon Kyung[Mi Gang's boyfriend] (Ep. 1)Guest Role
- Shin Ye EunJang So Yeon (Ep. 1)Guest Role
- Oh Ah RinGo Eun Gang [Young] (Ep. 1, 4)Guest Role
- Shin Seung Yong[Judo instructor] (Ep. 2)Guest Role
- Kang Ae Shim[KNPU Dormitory janitor] (Ep. 2-3, 6)Guest Role
- Kim In Kyung[Bully high school student] (Ep. 4)Guest Role
- Gu Bon Seok[Detective] (Ep. 4)Guest Role
- Go Youn Jung[Blind date's profile photo] (Ep. 4)Guest Role
- Lee Rang Seo[Blind date girl] (Ep. 4)Guest Role
- Kang Jung Yun[Purse snatching victim] (Ep. 4)Guest Role
- Choi Gyu Ri[Blind date girl] (Ep. 4-5)Guest Role
- Lee Yoon Jae[Detective] (Ep. 5)Guest Role
- Lee Jung Do[Blind date guy] (Ep. 5)Guest Role
- Lee Sang Joon[Upperclassman] (Ep. 5)Guest Role
- Jung Ah YoungLee Ye Rin (Ep. 5)Guest Role
- Shin Seo WooJi Woong (Ep. 5)Guest Role
- Park Sang Nam[Blind date guy] (Ep. 5-6)Guest Role
- Ahn Do KyuHong Yoon Ki [Bully victim] (Ep. 5-6)Guest Role
- Park Ji HoonYang Ji Hoon [Bully at Billiard Hall] (Ep. 5-6)Guest Role
- Lee Woo Je[Bully at Billiard Hall] (Ep. 5-6)Guest Role
- Jeon Yeong In[Bully at Billiard Hall] (Ep. 5-6)Guest Role
- Son Kyung WonKim [Reporter] (Ep. 6)Guest Role
- Kim Moon Chan[Billiard hall owner] (Ep. 6)Guest Role
- Kang Tae UngHong Yoon Ho [Yoon Ki's brother] (Ep. 6)Guest Role
- Yoo Sung Min[Bully high school student] (Ep. 6)Guest Role
- Seo Jang Hyun[Bully high school student] (Ep. 6)Guest Role
- Choi Yoon WooKim Tak [Young] (Ep. 7, 12, 15)Guest Role
- Jung Do Myung(Ep. 8)Guest Role
- Seo Soo Chan[Police cadet] (Ep. 8)Guest Role
- Oh Kyu Taek[Security guard ] (Ep. 9)Guest Role
- Kwak Na Yeon[Convenience store employee] (Ep. 9)Guest Role
- Park Sang HoonLee Se Hyun (Ep. 9-10)Guest Role
- Jung Yeo JoonShin Eui Seok [Han Sol's secretary] (Ep. 9-15)Guest Role
- Lee Yoon HeeLee Chang Ho [Sinyu Club member] (Ep. 9, 14, 16)Guest Role
- Hong Seo JoonJang Moon KiGuest Role
- Ahn Suk HwanKim In Myun [Sinyu Club member] (Ep. 9, 11, 13-16)Guest Role
- Lee Sung WooJang Gu (Ep. 10)Guest Role
- Lee Joong Yul[Sueun patrol station chief] (Ep. 10)Guest Role
- Park Woo JunSergeant Park (Ep. 10)Guest Role
- Ok Joo Ri[Convenience store employee] (Ep. 10)Guest Role
- Park Seung Tae[Se Hyun's grandmother] (Ep. 10)Guest Role
- Seo Young Sam[Jewelry store owner] (Ep. 10)Guest Role
- Lee Jae Eun[Angry creditor] (Ep. 10)Guest Role
- Hwang Dae WoongHong Jae Geun (Ep. 10)Guest Role
- Lee Jeong ChanLee Sang Goo (Ep. 10)Guest Role
- Kim Young HoonHong Jae Geun (Ep. 10)Guest Role
- Kim Dae Geun[Gangster] (Ep. 10)Guest Role
- Lee Se MiMin Hae Ji (Ep. 10-12)Guest Role
- Yoon Jong Goo[Angry creditor] (Ep. 10, 15)Guest Role
- Jo Duk HyunJin [Lieutenant] (Ep. 10, 16)Guest Role
- Kim Jae Ho[Nightclub guy] (Ep. 11)Guest Role
- Yun Ki Chang[Judo coach] (Ep. 11)Guest Role
- Yang Chang Wan[High school official] (Ep. 11)Guest Role
- Park No KyeongLee Woo Jin (Ep. 11)Guest Role
- Kim Jung SooJo Hyun Tae [Han Sol's father / Sinyu Club member] (Ep. 11, 13-14)Guest Role
- Kim Sung Gon[Detective] (Ep. 12)Guest Role
- Kyung Ki Hyun[Bus passenger] (Ep. 12)Guest Role
- Min Se Woong[Bus passenger] (Ep. 12)Guest Role
- Park Byung Wook[Hospital patient] (Ep. 12)Guest Role
- Kim Hyun MyungDetective Lee (Ep. 12-13)Guest Role
- Jang Eui Soo[Han Sol's subordinate] (Ep. 12, 14)Guest Role
- Lee Moon Soo[Dae Il's grandfather] (Ep. 12, 15)Guest Role
- Sung Chan Ho[Sinyu Club member] (Ep. 13)Guest Role
- Jang Joon Hyun[Violent drunk guy] (Ep. 13)Guest Role
- Kim Yool HoChu Man Seok [Director] (Ep. 13)Guest Role
- Na Ho Won[Taxi driver] (Ep. 14)Guest Role
- Kim Saet ByulLee Eun Ha (Ep. 14-15)Guest Role
- Yang Seung KulKook Han Ju [Sinyu Club member] (Ep. 14, 16)Guest Role
- Choi Si A[Historical site staff] (Ep. 11)Guest Role
- Cha Solomon[Joo Yeon's friend] (Ep. 1)Guest Role
- Lee Jung Hoon[Angry motorist] (Ep. 9)Guest Role
- Lee Ye Ji[hostess] (ep.15)Guest Role
- Lim Wook Jin[Blind date guy] (Ep. 5)Guest Role
- Kim Joo Ah[Dae Il's mother] (Ep. 15)Guest Role
- Kim Mi HyeTV reporter (Ep. 15)Guest Role
- Park Chul Min[Program host] (Ep. 15)Guest Role
- Kim Sang IlHan Joo Il [Lawyer] (Ep. 15)Guest Role
- Kim Shin Yul[TV panelist] (Ep. 15)Guest Role
- Shin Hee GookKim Young Woo (Ep. 15Guest Role
- Park GunPark Ho Seok [Han Sol's Lawyer] (Ep. 15-16)Guest Role
- Lee Yoon SangYoon Sung Jong (Ep. 16)Guest Role
- Seo Min Sung[Police executive] (Ep. 16)Guest Role
- Hong A Ron[Cyber crime unit] (Ep. 16)Guest Role
- Song Soo HyunSong Soo Hyun [KNPU freshman] (Ep. 16)Guest Role
- Lee Jin Seung[Ceremony speaker] (Ep. 16)Guest Role
- Do Ye Chan Guest Role
- Won Tae MinYun Seong HoGuest Role
Bit part
- Lee Geum Joo[Police cadet]Bit part
Unknown
- Yeon Se Ryeon Unknown
- Kim Ye Ji Unknown
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