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Biography

Kim Hee-Seong (South Korean Child Actor)

Kim Hee-Seong (Hangul: 김희성) is a South Korean child actor born in 2017. He has appeared in various television drama series and film productions, primarily cast in younger counterpart or child roles.

Profile photograph of child actor Kim Hee-Seong
Kim Hee-Seong

Acting Career

Kim began his television and film career appearing in minor and child supporting roles across several South Korean networks and streaming platforms.

Filmography

  • The First Ride (2025) – Jung Tae-Jung (child role)

Television Series

  • The Practical Guide to Love (JTBC, 2026) – Min-Gyu (Episode 12)
  • Our Universe (tvN, 2026) – Sun Tae-Hyeong (child role)
  • Idol I (ENA-Genie TV, 2025) – Do Ra-Ik (child role, Episode 3)
  • Nice to Not Meet You (tvN, 2025) – Lim Hyeon-Jun (child role)
  • Head Over Heels (tvN, 2025) – Bae Gyeon-Woo (child role)
  • Motel California (MBC, 2025) – Cha Seung-Eon (child role)
  • No Way Out: The Roulette (U+Mobile TV / Disney+, 2024) – Seo Dong-Ha (child role, Episode 5)
  • Doctor Slump (JTBC, 2024) – Jin-Woo
  • The Worst Of Evil (Disney+, 2023) – Park Jun-Mo's nephew (Episode 4)
  • Twinkling Watermelon (tvN, 2023) – Boy
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