Johanna Schmoll is a German voice actress and singer who has built a career in animation and anime dubbing, lending her voice to a variety of characters in productions for television and streaming platforms. Born on June 8, 1987, in Lüneburg, she studied music and singing in Hamburg. Her initial performance experience came from theater work in England as a member of the Ottershaw Players, alongside her early career as a musician under the pseudonyms HANA, no. and LiM.

Schmoll's entry into voice acting began with roles such as Lili in Lili, die wahre Geschichte einer Ente and Grace Richmond in Grandview. Her film work includes parts in the German dubs of Utøya 22. Juli, Die Addams Family, and Sorry We Missed You. In television, she has voiced characters in live-action series like Poldark, Shadowhunters: The Mortal Instruments, Krypton, and Picnic at Hanging Rock. She also gained prominence for her voice work in animated series such as Disenchantment and Goodwitch. A significant early career milestone was landing her first lead role in a dubbed film for the Netflix production Geheimes Magieaufsichtsamt.

In the realm of anime, Schmoll has become a recognizable voice, frequently working with Berlin's Oxygen Sound Studios. She is often cast in productions with dialogue director Bartosz Bludau. One of her notable roles is Ryouko Naoe, a character from a traditional family of monster hunters, in the 2018 vampire-themed action series Sirius the Jaeger. She voiced the character Pao-Lin Huan, also known as the teenage superhero Dragon Kid, in the 2022 sequel series Tiger & Bunny 2. Demonstrating her range in fantasy and comedic genres, Schmoll also provided the German voice for the Paladin in the 2018 German dub of the fan-service fantasy series Bikini Warriors.

Her anime film work includes the role of Satomi Amano, a student who becomes the target of a friendly and persistent AI, in the 2022 movie Sing a Bit of Harmony. In the same year, she took on another supporting role as Alicia Idelcia in the isekai comedy series Uncle From Another World. Continuing her work in comedy series, she voiced the character Mashiro in the 2023 second season of the romantic comedy Don't Toy With Me, Miss Nagatoro. Beyond her anime roles, Schmoll has also appeared in German live-action productions, such as the Netflix series Wednesday, where she played Yoko Tanaka. Her work extends to audiobooks and podcasts, having narrated works like Andreas Eschbach's Die Prinzessin und der Drache and participated in interview podcasts about her career.