Seo Yi-Soo

Seo Yi-Soo (Hangul: 서이수) is a South Korean child actress born on April 9, 2013. She has built an extensive filmography appearing in numerous television series and feature films, often portraying the younger counterparts of main characters or taking on supporting childhood roles.

Acting Career

Seo began her acting career at a young age, securing minor and child roles across various broadcasting networks in South Korea. Her television credits include appearances in prominent series such as When the Camellia Blooms (KBS2 / 2019) as young Dong-Baek, Hotel Del Luna (tvN / 2019), Sisyphus: The Myth (JTBC / 2021), and Strong Girl Nam-Soon (JTBC / 2023). In addition to television dramas, she has expanded into film, appearing in motion pictures like Anchor (2022) and Highway Family (2022) as Eun-Yi.

Filmography

Films

Highway Family (2022) – Eun-Yi
Anchor (2022) – Yoo-Na

Television Series

Love In Sync (Disney+ / 2026) – Cha Song-Hwan (child)
Strong Girl Nam-Soon (JTBC / 2023) – Testseg / Gang Nam-Soon (ep. 1)
Kokdu: Season of Deity (MBC / 2023) – Han Gye-Jeol (child)
Let Me Be Your Knight (SBS / 2021) – In Yoon-Joo / In Sun-Joo (child)
Sisyphus: The Myth (JTBC / 2021) – Gang Seo-Hae (child)
18 Again (JTBC / 2020) – Yoo-Joo (ep. 9-10)
Alice (SBS / 2020) – Hong Eun-Su
When the Camellia Blooms (KBS2 / 2019) – Dong-Baek (child)
Hotel Del Luna (tvN / 2019) – Ji Hyun-Mi (ep. 7)
Big Issue (SBS / 2019) – Se-Eun
Children of Nobody (MBC / 2018–2019) – Jung Hee-Soo
Mama Fairy and the Woodcutter (tvN / 2018) – cotton candy young girl
The Beauty Inside (JTBC / 2018) – Jin-Young (ep. 2)
The Ghost Detective (KBS2 / 2018) – Yi-Rang (child)
I'm The Mother, Too (SBS / 2018) – Sally
Secret Mother (SBS / 2018) – child
Love Returns (KBS1 / 2017–2018) – Gil Eun-Zo (child)
The Secret of My Love (KBS2 / 2017–2018) – kindergarten girl

TV Movies

Drama Special: Tow Truck (KBS2 / 2019)