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A love story between an aspiring actor and a promising director, whose parents are a married couple who have been married for 30 years. Can they overcome such a complicated family relationship and become a real family?
Cast and characters
Main
Nam Sang-ji as Yoo Eun-seong (age 28) – Dong-gu and Chun-young's daughter, Eun-hyuk and Eun-ah's stepsister, an unknown actress who dreams of a brilliant rise, but is at the bottom in reality. Eun-hyuk and Eun-ah's younger sister. Former Blue Film employee. Si-heon's former lover. Sun-woo's former lover.
Lee Do-gyeom as Kang Seon-woo (age 34) – Jeong-ae and Ki-seok's son. A promising Hollywood film director who must achieve what he sets out to achieve. Seon-ju's older brother. Eun-ah and Eun-hyuk's half-brother. Eun-seong's former lover.
Kang Da-bin as Yoo Eun-hyuk (age 35) – Eun-seong's older brother and Eun-ah's younger brother. Dong-gu's son and Chun-young's adopted son. Jeong-ae's biological son. A violent crime detective who calls himself the grim reaper of criminals. Sun-woo's half-brother. Seon-ju's half-brother. Ha-young's lover.
Lee Hyo-na as Shin Ha-yeong (age 30) – Dal-yong's daughter, a film company planning producer who transforms into a colorful character to get what she wants. Eun-seong's boss at work. Blue Film team leader. Min-guk's aunt. Ga-ram's great-aunt. Eun-hyuk's lover.
Supporting
Eun-seong's family
Lee Jong-won as Yoo Dong-gu (age 60) – father of three siblings, ex-husband of Jeong-ae. Chun-young's current husband. The eternally sad irregular worker at the local restaurant 'Haha Chicken'. Jeong-suk's former brother-in-law.
Kim Seon-kyung as Go Chun-young (age 57, pseudonym: Yoon Ji-sook/Mari) – Dong-gu's current wife, Eun-ah & Eun-hyuk's adoptive mother, and Eun-seong's mother.
Joo Sae-byeok as Yoo Eun-ah (age 37, pseudonym: Yoo Sara) – Eun-hyuk's older sister, Eun-seong's older sister. A show host obsessed with youth, beauty, and diet. She is Dong-gu's daughter and Chun-young's adoptive daughter. She is Jeong-ae's biological daughter. Seon-ju's stepsister. Seon-woo's half-sister. Min-guk's friend. She likes Min-guk.
Sun-woo's family
Lee Dae-yeon as Kang Ki-seok (age 59) – Seon-woo and Seon-joo's father, Jeong-ae's current husband. The head of the household is quite authoritative, but doesn't get anything his way. Jeong-suk's brother-in-law.
Choi Soo-rin as Shim Jeong-ae (age 59, pseudonym: Shim Mi-jin/Sophie) – Seon-woo and Seon-ju's mother, Dong-gu's ex-wife. Ki-seok's current wife. She is Eun-ah and Eun-hyuk's biological mother.
Ahn Yeon-hong as Shim Jeong-sook (age 49) – Seon-woo and Seon-ju's aunt and Jeong-ae's younger sister. He is an eternal child who cannot come to his senses even after causing an accident because of her love. She is Ki-seok's sister-in-law. She is Dong-gu's former sister-in-law. She is Eun-ah and Eun-hyuk's aunt. Seon-woo and Seon-ju's aunt.
Lim Na-young as Kang Seon-ju (age 28) – Seon-woo's younger sister and Eun-seong's friend. She is the daughter of Ki-seok and Jeong-ae. She is an aspiring drama writer who lightly ignores the world's standards. Jeong-suk's nephew. Eun-ah and Eun-hyuk's half-sister. She is a part-time worker at Min-guk's cafe. She likes Min-guk.
Ha-young's family
Im Ha-ryong as Shin Dal-yong (age 80) – The deceased father of Ha-seong and Ha-young, an indomitable romantic who lives and dies in love. Jin-sil's father-in-law. Min-guk's paternal grandfather. The great-grandfather of Ga-ram.
Kim Bo-mi as Maeng Jin-sil (age 58) – Ha-yeong's sister-in-law and Dal-yong's daughter-in-law. She is a kind but fierce daughter-in-law who says everything she wants to say. She is the deceased wife of Ha-seong. She is Min-guk's mother. Ga-ram's paternal grandmother. The cafe's legal owner.
Choi Woo-hyuk as Shin Min-guk (age 34) – Ha-yeong's nephew, Jin-jin's son. Ga-ram's father. A happy father raising a cuckoo chick. Cafe owner.
Jeong Min-jun as Shin Ga-ram (age 6) – Min-guk's son, a kindergarten student who speaks English well. Jin-sil's grandson. Dal-yong's great-grandson. Ha-young's grandnephew. Hye-yoon's biological son.
Yang Ji-won as Jeong Hye-yoon – Ga-ram's biological mother.
Original soundtrack
Part 1: Ahn Ye-seul - To My Boyfriend (Released on September 25, 2023)
Part 2: Mini Mani - Even If You Forget Me (Released on October 2, 2023)
Part 3: Lydia - Isn't That What Living Is All About? (Released on October 9, 2023)
Part 4: Taehwa Yoon - As If Dreaming (Released on October 16, 2023)
Part 5: Jo Joon-jo - Romantic Tango (Released on October 23, 2023)
Part 6: Yeo-eun - There's Still Something I Want To Say To You (Released on October 30, 2023)
Part 7: Bagna - In The End, I Am The Same (Released on November 2, 2023)
Part 8: Yellow - I Love You More Than Anyone Else (Released on November 6, 2023)
Part 9: Coda Bridge - There Are A Lot Of Things I Want To Do With You (Released on November 13, 2023)
Part 10: Morning Coffee - Does There Have To Be A Reason To Love (Released on November 20, 2023)
Part 11: Han Kyung-il - Some Days (Released on November 27, 2023)
Part 12: Uhana - If I Really Loved You (Released on December 4, 2023)
Part 13: Damu - I Loved You So Much (Released on December 11, 2023)
Part 14: The Daisy - I Was Never Okay (Released on December 18, 2023)
Part 15: Bernard Park - Aroha (Released on December 25, 2023)
Part 16: Doha (XEED) - I Remember You To Forget (Released on January 1, 2024)
Part 17: Naeunseol - To Me Who Was Loved (Released on January 8, 2024)
Part 18: Joo Won-tak - Just Like That, The Day Goes By (Released on January 15, 2024)
Part 19: Lee Hyeon - Walk In The Opposite Direction (Released on January 22, 2024)
Part 20: Ha Jin-woo - An Uneventful Day (Released on February 5, 2024)
Viewership
Unpredictable Family : South Korea viewers per episode (millions)
Episodes
Episode number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1–22
2.183
1.421
1.966
1.571
1.832
1.737
1.322
1.144
1.182
1.072
1.295
1.146
1.932
1.768
1.695
1.754
1.483
1.818
1.471
1.717
1.948
1.677
23–44
1.869
1.747
1.646
1.894
1.643
1.776
1.572
1.753
1.823
1.750
2.031
1.695
1.689
1.793
1.561
1.785
1.757
1.790
1.853
1.625
1.917
1.827
45–66
1.896
1.935
1.675
1.924
1.933
1.927
1.938
2.053
2.043
1.850
1.856
1.984
1.869
2.019
1.910
N/A
N/A
1.997
N/A
N/A
N/A
2.159
67–88
N/A
N/A
N/A
N/A
2.100
1.945
2.428
2.389
2.324
2.255
2.117
2.277
2.193
2.176
2.173
1.934
1.986
2.129
2.221
2.293
2.186
2.091
89–110
2.231
1.823
1.938
2.020
2.113
2.070
2.246
1.983
2.083
1.978
2.044
1.980
1.652
1.732
2.127
2.168
2.125
1.980
2.054
2.016
2.198
2.049
111–131
1.823
2.092
2.080
2.078
2.127
2.025
2.115
2.133
2.198
2.205
1.971
2.152
2.212
2.058
2.046
2.002
2.093
2.054
2.172
1.984
2.012
–
Source: Audience measurement performed nationwide by Nielsen Korea.
Hwang, Gyu-jun (2024-04-01). '우당탕탕 패밀리' 종영소감 양지원, 씨엘엔컴퍼니와 계약 만료 후 FA [Thoughts on the end of 'Unpredictable Family' Yang Ji-won becomes a free agent after her contract with CL&Company expires]. Star Daily News. Retrieved 2024-06-10 – via Nate News.
Promotional poster