Marcia von Rebay is a German voice actress born on April 20, 1992. She began her career in voice acting at the age of five and has since become a prominent figure in German dubbing, lending her voice to a wide array of characters in film and television. She is widely recognized as the standard German voice for the American actress and singer Zendaya, a role she has held since 2010.

In the realm of anime, von Rebay has voiced several significant characters in German-dubbed versions of popular series and films. She is the German voice for Mai Sakurajima in both the anime series Rascal Does Not Dream of Bunny Girl Senpai and its film sequel, Rascal Does Not Dream of a Dreaming Girl. She also voiced Akito Souma in the 2019 adaptation of Fruits Basket and Kiiko Sasaki in Donten ni Warau Gaiden: Shukumei, Sōtō no Fūma. Her other anime voice work includes the role of Erica Brown in the series Violet Evergarden and its related films, as well as Aries Spring in Astra Lost in Space.

Beyond her anime roles, von Rebay's extensive career is marked by notable recurring collaborations. She has been the German voice for Bonnie Wright as Ginny Weasley across the entire Harry Potter film series. Her other prominent dubbing work includes voicing Sophie Turner as Sansa Stark in Game of Thrones, Alycia Debnam-Carey as Lexa in The 100, and Olivia Taylor Dudley as Alice Quinn in The Magicians. With over 200 credited roles, Marcia von Rebay has established herself as a versatile and in-demand voice artist in the German dubbing industry.