Marie Alexandre is a French voice actor who works in dubbing for animation and live-action productions. Her professional portfolio indicates training at Dub-School in 2024 and lists her vocal range as covering adolescent girls, adult women, and children. She is noted as being able to perform with a British English accent and possesses singing ability.

Her anime voice roles include Aki Sendo in the series Seirei Gensouki - Spirit Chronicles, for which she was credited in 2024. She is also the voice of Lucia Rea Regulus, also known as Lu, in the series In Another World With My Smartphone, a credit from 2017. Another major anime role is Kuku in the series Heavenly Delusion, which is listed under its French title TENGOKU-DAIMAKYO from 2023.

Beyond anime, her dubbing work includes a variety of characters in international series and films. In animation, she voiced Euphrasia in LEGO Ninjago: Le soulèvement des dragons and Twyla in Monster High: Un lycée pas comme les autres. Her live-action dubbing credits include the young version of Beth in Life & Beth, Gabi in God Is a Bullet, and Alice Wendleken in Les Pires Enfants de l'histoire du monde. Additional anime credits include voice work for Cells at Work! and Link Click, as well as roles in Super Wings and Spidey et ses amis extraordinaires.