Director
Screenwriter
Main Role
-
Lee Yo WonLee Eun PyoMain Role -
Choo Ja HyunByun Chun HeeMain Role -
Kim Gyu RiSeo Jin HaMain Role -
Jang Hye JinKim Young MiMain Role -
Joo Min KyungPark Yoon JooMain Role
Support Role
-
Choi Jae RimJung Jae Woong [Eun Pyo's husband]Support Role -
Jung Shi YoolJung Dong Seok [Eun Pyo's son]Support Role -
Lee Chae HyunJung Dong Joo [Eun Pyo's son]Support Role -
Choi Duk MoonKim Joo Seok [Chun Hee's husband]Support Role -
Joo Ye RimKim Yoo Bin [Chun Hee's daughter]Support Role -
Kim Seo JunKim Young Bin [Chun Hee's son]Support Role -
Choi Kwang RokLuis Bunuel [Jin Ha's husband]Support Role -
Shin Seo WooHenry Bunuel [Jin Ha's son]Support Role -
Im Su HyungOh Geon Woo [Young Mi's husband]Support Role -
Ahn Seok HyunO Jul Pin [Yeong Mi's son]Support Role -
YunaOh Sae Bom [Young Mi's daughter]Support Role -
Yoon Kyung HoLee Man Su [Yun Ju's husband]Support Role -
Park Ye RinLee Soo In [Yoon Joo's daughter]Support Role -
Lee Ji HyunHwang Jung Sook [Teacher]Support Role -
Shim So YoungHousekeeper NamSupport Role -
Kang Ji YongSong Jae BinSupport Role -
Joo In Young[Jae Bin's mother]Support Role -
Kim Ka EunMin JiSupport Role -
Jeon Soo Ji[Min Ji's mother]Support Role -
Oh Hee JoonOh Dong Shik [Detective]Support Role -
Kim Jung HoonCha Hyuk Ho [Detective]Support Role -
Na Hyun WooJang Won Tae [Cheon Hui's acquaintance]Support Role
Guest Role
-
Ko Na Young[Mover] (Ep. 1)Guest Role -
Richard Kim[University faculty] (Ep. 1)Guest Role -
Kim Sung Nyeo[Eun Pyo's mother-in-law] (Ep. 1, 3-4, 10)Guest Role -
Oh RyoongHan Sung Bum [HSB Academy Speaker] (Ep. 1, 9, 11)Guest Role -
Oh Man SeokLee Young Goon [Professor] (Ep. 1, 5, 15-16)Guest Role -
Lee Soo Mi[Bakery employee] (Ep. 1, 6-7, 15-16)Guest Role -
Jeon Seok Chan[Eun Pyo's brother] (Ep. 2)Guest Role -
Lee Da KyungLee Eun Pyo [Young] (Ep. 2-3, 5)Guest Role -
Yoon Chae EunSeo Jin Ha [Young] (Ep. 2-3, 5, 11) | Rhea Benuel [Young] (Ep. 15)Guest Role -
Seong Byung SookHyung Im [Eun Pyo's mother] (Ep. 3, 5, 9-10, 16)Guest Role -
Park Na EunSo Young (Ep. 3)Guest Role -
Hong Dae Sung[Detective] (Ep. 3)Guest Role -
Min Dae Shik[Interviewer] (Ep. 3)Guest Role -
Choi Sol Hui[Doctor] (Ep. 3-4)Guest Role -
Woo Jeong WonYun Mi [Alumnae] (Ep. 3, 5)Guest Role -
Park Min Young[Alumnae] (Ep. 3, 5)Guest Role -
Lee Seon HeeBang Jung Hee [Sungmyung Chairman] (Ep. 3, 9-10, 13)Guest Role -
Han Ji AnLuis Benuel [Young] (Ep. 4)Guest Role -
Jeon Jeong Il[Contest judge] (Ep. 4)Guest Role -
Jang Yoon Woo[Award ceremony MC] (Ep. 4)Guest Role -
Park Jin AhPark Yoo Jin [CCI Gifted Academy teacher] (Ep. 4, 9)Guest Role -
Choi Jae YoungChoi Jae Seok (Ep. 4,9)Guest Role -
Kim Ji Na[Nurse] (Ep. 5)Guest Role -
Lee Yeon Joo[Museum staff] (Ep. 5)Guest Role -
Park Soo Jin[Gifted school interviewer] (Ep. 6)Guest Role -
Seo Jung YeonSu Hyeon [Jin Ha's stepmother] (Ep. 5-8, 11)Guest Role -
Hwang Jung Yoon[Library woman] (Ep. 7)Guest Role -
Jung Hye Kyung[Grocery store customer] (Ep. 7)Guest Role -
Lee Eun Ju[Sangwe Elementary School administration member] (Ep. 7)Guest Role -
Seo Kwang Jae[Sangwe Elementary School administration member] (Ep. 7)Guest Role -
Kim Ah Ram[Nurse] (Ep. 7, 9)Guest Role -
Ahn So Ye[CCI Gifted Academy student] (Ep. 8)Guest Role -
Yoon Jung Ro[Geoseong staff] (Ep. 8)Guest Role -
Kim Do Yeon[Soo In's aunt] (Ep. 8-9)Guest Role -
Heo Ji Na[CCI Gifted Academy director] (Ep. 8-9, 11)Guest Role -
Joo Bo BiMin Yoo Joo [Genius Kid Show Writer] (Ep. 8, 10)Guest Role -
Do Mi Yeon[Nurse] (Ep. 9)Guest Role -
Ha Ji Eun[Joo Seok's sister] (Ep. 9)Guest Role -
Choi Sun Ja[Joo Seok's mother] (Ep. 9)Guest Role -
Kang Jung Yun[Yoon Joo's relative] (Ep. 9)Guest Role -
Noh Seung Jin[Soo In's grandfather] (Ep. 9)Guest Role -
Kim Jang Hwan[Math competition award ceremony host] (Ep. 9)Guest Role -
Choi Soo ImShin Yoo Na (Ep. 9-10, 12, 15)Guest Role -
Min Yong Jin[TV program host] (Ep. 10)Guest Role -
Cha Young Mi[Diner] (Ep. 10)Guest Role -
Kwak Na Yeon[Diner] (Ep. 10)Guest Role -
Lim Seung Beom[Hospital staff] (Ep. 10)Guest Role -
Jo Ha Seok[Detective] (Ep. 10, 14)Guest Role -
Kim Hye Jung[Chun Hee's mother] (Ep. 10, 14-16)Guest Role -
Lee Yoon JaeSeo In Seo (Ep. 11)Guest Role -
Lee Na Ra[Jin Ha's mother] (Ep. 11)Guest Role -
Kim Bang Sun[Child psychiatrist] (Ep. 11)Guest Role -
Lee Jae Nam[Sports academy instructor] (Ep. 11)Guest Role -
Ahn Hee Joo[Camper] (Ep. 12)Guest Role -
Jin Mo[Won Tae's boss] (Ep. 12, 14)Guest Role -
Gi Hwan[Lawyer] (Ep. 13)Guest Role -
Son Joo Yeon[Mother] (Ep. 13)Guest Role -
Kim Jung Hwan[Sungmyung University professor] (Ep. 13)Guest Role -
Jung Jong Yul[Sungmyung University professor] (Ep. 13)Guest Role -
Park Chae Ik[Sungmyung University professor] (Ep. 13)Guest Role -
Shin Hee Gook[Sungmyung University faculty member] (Ep. 13)Guest Role -
Kim Jin Bok[Geon Woo's colleague] (Ep. 13-14)Guest Role -
Kim Bi Bi[Jun Yong's mother] (Ep. 16)Guest Role -
Lee Ji Hae[Mother]Guest Role -
Yoo Joon A[Mother]Guest Role -
Kim Soo Yeon[Mother]Guest Role -
Byun Joo Woo[Mother]Guest Role -
Kim Young Mi[Parent]Guest Role -
Kim Ji Su[Assistant instructor]Guest Role -
Jung Sun A[Gifted children speaker] (Ep. 4)Guest Role
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