Giulia Monjardim is a Brazilian voice actor, actress, and singer who has been active in dubbing since childhood. She comes from a family with a deep legacy in the voice acting industry, being the granddaughter of Mário Monjardim, a renowned director and voice actor known for dubbing characters such as Scooby-Doo's Shaggy and Bugs Bunny, and the daughter of Julio Monjardim, who also works as a director, actor, and voice actor.

Monjardim began working as a voice actor at a young age and within ten years had already accumulated a diverse portfolio of roles in animation, video games, and television series. One of her notable roles in anime is Constanze Amalie Von Braunschbank Albretchberger in the series Little Witch Academia. Her other major voice credits include Bhadra in Far Cry 4, Darbie in Just Add Magic, the child version of Élise in Assassin's Creed Unity, Kayla in Inspector Gadget, Judy Jetson in The Jetsons & WWE, Phoebie in The Looney Tunes Show, Romina in the Netflix film Romina, and Freda in The Aftermath.