Lucille-Mareen Mayr is a German actress and voice artist known for her work in dubbing, musical theatre, and film. Born in Berlin in 1993, she trained professionally at the Universität der Künste Berlin from 2015 to 2019. Her career encompasses stage performance, voice-over work for film and audio productions, and singing, with a vocal range classified as soprano.

In the realm of voice acting, Mayr is primarily recognised for providing the German voice for the character Natsumi Suga in the animated film Weathering With You, directed by Makoto Shinkai. Natsumi is the spirited niece of the publisher Keisuke Suga and works alongside the protagonist Hodaka at a small magazine office. The film, which follows a boy who runs away to Tokyo and befriends a girl with the power to control the weather, was released in German cinemas in January 2020. Her role in this high-profile anime feature stands as her most prominent credit in the genre.

Beyond Weathering With You, Mayr's dubbing portfolio includes lending her voice to the character Snake in the German version of Quentin Tarantino's Once Upon a Time in Hollywood and a role in the film Piranhas. She also voiced a character in the German audio production of the series The Woods.

Mayr is a versatile performer with a strong foundation in musical theatre. Her stage credits are extensive and include productions such as Grimm at the Schleswig-Holstein Landestheater, The Producers at the Theater für Niedersachsen, and performances at the Friedrichstadt-Palast in Berlin. She has also appeared in television, including a role in the Ki.Ka series Ich! bin Sprayer.

Her achievements include winning the award for Best Performance of a Musical Scene at the Bundeswettbewerb Gesang (German National Singing Competition) in 2019, as well as receiving first prize at the Jugend musiziert competition in 2012.