Lee Jae-Joon (Actor, Born 2009)

Lee Jae-Joon (Korean: 이재준) is a South Korean actor born on July 18, 2009. Active primarily in television dramas and film, he has appeared in various supporting and younger counterpart roles in major South Korean productions.

Career and Filmography

Lee began building his career appearing in feature films and television series, often portraying younger versions of main characters or featured guest roles.

Films

Concrete Utopia (2023) – Joon-Yi
When This Summer is Over (2025) – Ki-Jun

Television and Streaming Series

Tale of the Nine Tailed 1938 (tvN, 2023) – Lee Yeon (child)
Good Partner (SBS, 2024) – Jung Woo-Jin (teen) (ep.16)
Seoul Busters (Disney+, 2024) – Student 22 years ago (ep.17, 20)
When The Phone Rings (MBC, 2024-2025) – Paik Sa-Eon (child)
A History of Losers (Wavve-Watcha, 2025) – No Joon-Seok (young)
My Dearest Nemesis (tvN, 2025) – Teen asking out (ep.12)
Friendly Rivalry (U+mobiletv, 2025) – Jung Ha-Jin (ep.5)
The First Night With the Duke (KBS2, 2025) – Jung Su-Gyeom (teen) (ep.6)
Love Me (JTBC, 2025-2026) – Daniel's friend
The East Palace (Netflix, 2026) – Prince Inha