HomePeople Biography and filmographyJung Jae-un Jung Jae-un is a South Korean actor. Movies (1)TV shows (3) Photos Movies (1) A First Love Story2021 · Min-gyu TV shows (3) Boy, with Caution2026 · Kim Ji-tae 刺激サブスク2026 · Ma Min-jun (MJ) A First Love Story2021 · Min-gyu