Isabella Koppel is a Brazilian actress and voice actor who began her career at a young age. She started with stage acting at eight years old in the play Uma Aventura na Neve in 2014, and soon after transitioned to on-screen roles in Brazilian television productions such as Os Dez Mandamentos and Totalmente Demais. Her voice acting career has also been extensive, with early credits including the Brazilian Portuguese dubbing of major Hollywood films like Logan, where she voiced the young mutant Laura Kinney, and Wonder Woman, where she voiced a young Diana Prince.

Within the field of anime voice acting, Koppel is known for her work on several notable series. She is recognized for voicing the character Eterna Rinebow in the anime adaptation of the dark fantasy series Roll Over and Die. Her other significant anime roles include voicing a young Nanako Hasaba in the supernatural action series Jujutsu Kaisen and Hakari Hanazono in the romantic comedy series The 100 Girlfriends Who Really, Really, Really, Really, Really Love You.

Beyond anime, Koppel has built a substantial career in dubbing for live-action films and series. Her credits include voicing Lyra Belacqua in the series His Dark Materials, Izzy Lisko in Home Before Dark, Sara Hopper in Stranger Things, and Juliette Nichols in Silo. Her film dubbing work spans a wide range of major releases, including Alice Through the Looking Glass, Fantastic Beasts and Where to Find Them, Deadpool & Wolverine, and Jumanji. Throughout her career, she has collaborated with a large number of fellow voice actors, with records indicating she has worked alongside over sixty different performers in various projects. Born on October 20, 2005, Koppel continues to be active in the voice acting industry, contributing to both animated and live-action dubbing productions.