
A teenage couple faces extraordinary circumstances when their son is born with progeria, a rare genetic condition causing him to age at an accelerated rate. As their son’s life nears its end, he reflects on his parents’ enduring love and devotion, documenting their remarkable story in a heartfelt book. The film explores themes of family, love, and the preciousness of life in the face of adversity.
Does My Brilliant Life have end credit scenes?
No!
My Brilliant Life does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of My Brilliant Life, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Seohyun
Self

Gang Dong-won
Dae-soo

Lee Sung-min
Ah-reum's Doctor

Song Hye-kyo
Mi-ra

Taeyeon
Self

Tiffany Young
Self

Hwang Seok-jeong
Praying Woman

Kim Kap-soo
Dae-soo's Father

Heo Joon-seok
Seung-chan

Kim So-jin
Writer Kim

Lee Sae-ro-mi
Praying Woman

Jo Sung-mok
Ah-reum

Baek Il-seob
Mr. Jang

Chae Seo-jin
Lee Seo-ha

Cha Eun-woo
Ah-reum

Choi Yoon-seok
Aspiring to be Director

Chae Yoon-hee
Praying Woman

Han Seung-hyun
Dae-soo's Junior

Yang Seung-geol
Mi-ra's Father

Ahn Hyeon-jeong
Mi-ra's Mother

Lee Yun-u
Bad Girl

Kang Suk-won
Taekwondo Team Coach

Son Cheol-min
Husband

Choi Seo-yeon
Taxi Woman
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