Margaux Laplace is a French actress primarily known for her work in dubbing, lending her voice to numerous characters in film, television, animation, and video games. She is the daughter of Patrick Laplace, a well-established figure in French dubbing. Her background includes extensive performing arts training; she studied drama at the conservatoire régional de Levallois and the Ateliers Sudden, musical theatre, classical singing, and various dance styles including modern-jazz, classical, and hip hop.

In the realm of animation, Laplace is recognized for her role as Natalia Garnet in the 2019 anime series Levius. She also voiced the character Sarah in the 2020 animated series The Midnight Gospel.

Beyond animation, her dubbing career is extensive and varied. She is notably one of the French voices for Bonnie Wright, portraying Ginny Weasley in the final three films of the Harry Potter saga: Harry Potter and the Half-Blood Prince, Harry Potter and the Deathly Hallows – Part 1, and Harry Potter and the Deathly Hallows – Part 2. Her other film dubbing credits include roles in productions such as 10,000 BC, Fame, Mother's Day, and God Bless America.

On television, Laplace has dubbed characters in a wide range of series. Her credits include Madison Lee in The Bold and the Beautiful, Chloé Latimer in Broadchurch, Aylee in Reign, and Tory Ellis in Castle. She has also provided voices for the video game industry, with notable roles such as Aera Mirus Fleuret in Final Fantasy XV: Episode Ardyn and Idril in Middle-earth: Shadow of War. In addition to her dubbing work, Laplace has appeared in live-action French television productions, including episodes of Fais pas ci, fais pas ça and Plus belle la vie, as well as in several theatre productions.