Composer
Director
Screenwriter
Main Role
-
Go A RaGoo Ra RaMain Role -
Lee Jae WookSun Woo JoonMain Role -
Kim Joo HeonCha Eun SeokMain Role
Support Role
-
Ye Ji WonJin Sook KyungSupport Role -
Shin Eun SooJin Ha YoungSupport Role -
Lee Soon JaeKim Man BokSupport Role -
Oh Gi GwangLee Seung Gi [Ha Yeong's friend]Support Role -
Seo Yi SookJo Yoon Shil [Woo Joon's mother]Support Role -
Choi Kwang IlSun Woo Myung [Woo Joon's father]Support Role -
Lee Seo AnOh Young Joo [Eun Seok's ex-wife]Support Role -
Moon Tae Yu Support Role -
Park Sung Yun[Seung Gi's mother]Support Role -
Lee Seon Hee[Ye Seo's mother]Support Role -
Kim Jung YeonMi Ran [Sook Kyung's friend]Support Role -
Choi Kwang JeChoo Min Soo [Private detective]Support Role -
Song Min JaeShin Jae Min [Ra Ra's student]Support Role -
Kang Hyung SukAhn Joong Ho [Ra Ra's stalker]Support Role
Guest Role
-
Kong Jin SeoMin Ju (Ep. 1)Guest Role -
Kim Gyu RiGoo Ra Ra [Teen] (Ep. 1)Guest Role -
Park So YiGoo Ra Ra [6-years-old] (Ep. 1, 3)Guest Role -
Jeon Soo KyungIm Ja Kyung [Jung Nam's mother] (Ep. 1, 8)Guest Role -
Moon Hee KyungKong Mi Suk [Ra Ra's piano teacher] (Ep. 1-3, 7, 15)Guest Role -
Ahn Nae SangSecretary Moon [Man Su's assistant] (Ep. 1, 3, 13)Guest Role -
Um Hyo SupGoo Man Su [Ra Ra's father / President of Ra Ra Cosmetics] (Ep. 1, 5)Guest Role -
Jang In Ho[Detective] (Ep. 1)Guest Role -
Song Kyung A[Piano judge] (Ep. 1)Guest Role -
Kwon Ban Suk[Wedding guest] (Ep. 1)Guest Role -
Yoo Yong[Wedding guest] (Ep. 1)Guest Role -
Song Hoon[Wedding guest] (Ep. 1)Guest Role -
Kim Oh Bok[Wedding guest] (Ep. 1)Guest Role -
Lee Mi Yoon[Real estate agent] (Ep. 1)Guest Role -
Kim Hae Gon[Real estate agent] (Ep. 1)Guest Role -
Kyung Ki Hyun[Studio rental clerk] (Ep. 1)Guest Role -
Lee Hyun Seo[Apartment renter] (Ep. 1)Guest Role -
O Gyu Taek[Construction foreman] (Ep. 1)Guest Role -
Shin Seung Yong[Motorcycle deliveryman] (Ep. 1)Guest Role -
Baek Young Kwang[Choo Min Soo's subordinate] (Ep. 1, 5)Guest Role -
Chae Yoo RiNa Gyeom (Ep. 2)Guest Role -
Kim Joo YeonKim Shi Ah [Ra Ra's friend] (Ep. 2-3, 9, 11)Guest Role -
Seol Chang Hee[Veterinarian] (Ep. 2)Guest Role -
Choi Ga In[Na Gyeom's mother] (Ep. 2)Guest Role -
Kim Geon Ho[Good&Good speaker] (Ep. 2)Guest Role -
Seon Yul U[Good&Good security] (Ep. 2)Guest Role -
Seo Wang Seok[Good&Good security] (Ep. 2)Guest Role -
Kang Sang Chul[Man watching columbarium] (Ep. 2)Guest Role -
Won Mi WonShim Sun Ja [Man Bok's wife] (Ep. 3, 8, 11)Guest Role -
Jang Eui Don[Yacht captain] (Ep. 3)Guest Role -
Kim Seo Jun[Piano Academy student] (Ep. 3)Guest Role -
Yoo Mi Ran[Piano Academy owner] (Ep. 3-4)Guest Role -
Kim Yong Jin[Sandwich shop manager] (Ep. 3-5)Guest Role -
Kim Bum SukKang Min Guk [Detective] (Ep. 4-6)Guest Role -
Cha Sang Mi[Maid] (Ep. 4, 11)Guest Role -
Kim Young Joo[Detective] (Ep. 4)Guest Role -
Kwon Ki Joo[Piano deliveryman] (Ep. 4)Guest Role -
Kim Moon Ho[Grand opening guest] (Ep. 4)Guest Role -
Yoo Tae Joo[Eunpo Taekwondo staff] (Ep. 4)Guest Role -
Choi Soo Hyun[Eunpo Terminal clerk] (Ep. 5)Guest Role -
Lee Si WooKim Ji Hoon (Ep. 6, 14)Guest Role -
Lee Seung Hee[Clothing store employee] (Ep. 6)Guest Role -
Kim Jae Heum[Eunpo Terminal convenience store clerk] (Ep. 6)Guest Role -
Kim Shi Heon[Appliance salesman] (Ep. 7)Guest Role -
Jang Joo Yeon[Piano Academy parent] (Ep. 7)Guest Role -
Min Jung SupDetective Min (Ep. 10)Guest Role -
Lee Ji HaeKim So Hyung [Joon's tutor] (Ep. 11-12)Guest Role -
Lee Hye Eun[Nurse] (Ep. 12)Guest Role -
Kim Tae Hoon[Doctor] (Ep. 12)Guest Role -
Lee Ki Sub[Doctor] (Ep. 12)Guest Role -
Kwon Eun BinJung Ga Young (Ep. 13-15)Guest Role -
Jang Ga Hyun[Actor] (Ep. 13)Guest Role -
Heo Seon Haeng[New business owner] (Ep. 13)Guest Role -
Yoo Joon A[Man Bok's daughter-in-law] (Ep. 13)Guest Role -
Kim Jong Ho[Former owner of piano shop] (Ep. 13)Guest Role -
Ahn Soo Bin[Jin's beauty salon customer] (Ep. 14)Guest Role -
Im Jae GeunMr. KimGuest Role -
Lee Shi Yoo[Nurse]Guest Role -
Seo Yun Hyuk Guest Role -
Jung Hee Young[Street vendor] (Ep. 1)Guest Role -
Kim Jong Ho[Real estate agent] (Ep. 11, 13)Guest Role
Unknown
-
Seo Sung Jong Unknown -
Son In Yong Unknown -
Lee Chae Hyun Unknown
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