Natasha Geritssen is a voice actor known for her work in the French dubbing of anime and animated series. Her career is primarily documented through the French-language adaptations of popular Japanese anime, where she has provided voices for a wide array of characters across different genres and target demographics.

Geritssen's filmography includes several prominent roles. In the original Netflix anime series Yasuke, she voiced the character Daimyo. She also lent her voice to the feature film Colorful, playing the role of Pura-Pura. One of her earlier notable roles was as the titular character in the series Flint: The Time Detective, where she voiced Flint Hammerhead.

Her body of work demonstrates recurring involvement in long-running and popular franchises. She was a part of the Digimon franchise, voicing key characters such as Izzy Izumi, Patamon, Hawkmon, and Arukenimon across the first two anime series and the associated film. In the Code Geass series, her roles included a young Lelouch Lamperouge and the character V.V.. She also contributed to the Vandread series, voicing both Gascogne Rheingau and Misty Cornwell.

Beyond these, Geritssen's extensive career encompasses a wide variety of other roles. She voiced the lead character in the animated series Cédric, Takuma Aoto Gonzalez in Ginga e Kickoff!!, and characters in series such as City Hunter 2, Daddy Long-Legs, Made in Abyss, and Tico and Friends. Her work spans multiple decades, reflecting a sustained career in anime voice acting for the French market.