Kerstin Dietrich is a German actress and singer widely recognized for her voice work in the German dubs of numerous anime series and films. Born in Munich, she pursued her passion for performance at the Bavarian Theatre Academy August Everding in Munich, and further honed her skills at institutions in New York and Prague. Before becoming a prominent voice artist, Dietrich established herself on stage, performing in musical productions such as Mamma Mia! and The Black Rider, and also appeared in German television shows and films.

In the realm of anime voice acting, Kerstin Dietrich has lent her voice to a variety of characters across different series. She is the German voice of Laura Hardry in the fantasy anime Record of Grancrest War. She also voiced Tamara Volkova in the darker magical girl series Magical Girl Spec-Ops Asuka. Her film work includes providing the German voice for the iconic Pokémon Mew in the movie Mewtwo Strikes Back Evolution. Other notable roles include Santa in Megalobox, Megu Kataoka in the comedic spin-off Koro Sensei Quest!, and Astraea in Heaven's Lost Property Forte.

Beyond the roles listed, Dietrich has a broad portfolio in anime dubbing. She is the German voice for the character Vyrn in Granblue Fantasy and has voiced characters in series such as Black Bullet (under the title Schwarzes Marken), The Asterisk War, InuYasha, Kiznaiver, and Children of the Whales. Her work is frequently recorded at studios like @alpha Postproduktion, and she has collaborated with voice directors such as Katharina von Daake on multiple projects.

In addition to her anime work, Kerstin Dietrich is an active voice artist for animated series from other countries, providing the German voices for characters like Miles Callisto in Disney's Miles from Tomorrowland and Ivy Sundew in Disney's Amphibia. She also works as a narrator for audio dramas and is a singer, having formed the acoustic trio Caedée in 2014.