Sin-Jeong Han is a South Korean voice actress recognized for her contributions to anime dubbing, bringing a range of characters to Korean-language audiences. Her body of work spans multiple series and genres, demonstrating versatility in portraying both male and female roles. In the mecha series Gear Fighter Dendoh, she voiced the protagonist Ginga Izumo. She took on dual roles in The Familiar of Zero franchise, providing the voices for both Montmorency and Tabitha across several installments, including The Familiar of Zero, The Familiar of Zero: Knight of the Twin Moons, and The Familiar of Zero: Rondo of Princesses. In One Piece, she voiced Akisu in the Nejimaki Shima no Bōken arc. She also contributed to Gunparade Orchestra, playing Hakushaku, Natsuko Saitou, and Yukiko Araki, and appeared in Ghost Stories as Keiichirou Miyanoshita. Her repeated involvement in the Familiar of Zero series highlights her ability to handle multiple distinct characters within a single franchise, while her work across different anime showcases her adaptability in the field of voice acting.