Johanna Dost is a German actress and voice actor based in Berlin, whose work spans theater, film, and extensive voice-over projects for animation and live-action productions. Born in 1987, she pursued formal training in the performing arts, studying classical voice at the Konservatorium Georg Friedrich Händel in Halle from 2003 to 2007, followed by a degree from the Joop van den Ende Academy in Hamburg from 2007 to 2010. Her background also includes performance in modern dance theater, contributing to a versatile skill set that encompasses singing, dancing, and comedy.

Dost has built a prolific career in voice acting, lending her voice to a wide array of characters in anime series and films for German-language audiences. A significant role is that of the powerful magician Merlin in the anime series The Seven Deadly Sins. She voices the character specifically for the Netflix adaptations of the franchise, starting with the third season, The Seven Deadly Sins: Imperial Wrath of The Gods, and continuing in subsequent seasons and films, taking over the role from a previous voice actor. Her other prominent anime credits include providing the German voice for Sarah Coppola, a key researcher, in the science fiction series Ingress: The Animation. She also voices the character Frederica Greenhill in the series The Legend of the Galactic Heroes: Die Neue These and takes on the role of Mamiko Abe in the Aoyama Gōshō Tanpen-shū anthology.

Beyond these specific titles, Dost's anime filmography is extensive and includes major roles in high-profile projects. She is the German voice of Asuka Langley Soryu in the Netflix redub of the classic series Neon Genesis Evangelion and its associated films. She also voices Kaoru, the lead human character, in the stop-motion series Rilakkuma and Kaoru and its follow-up, Rilakkuma's Theme Park Adventure. Additional voice roles include Kyouko Kirigiri in Danganronpa: The Animation and Danganronpa 3, Kii in Monster Musume, and roles in series such as Hunter x Hunter and Goblin Slayer.

In addition to her anime work, Dost is a well-established voice actor for live-action series and films. She is known as the German dubbing voice for actress Julia Garner, voicing her character Ruth Langmore in the acclaimed series Ozark. Her other dubbing credits include voicing Sharon Rooney's character Rae Earl in My Mad Fat Diary and Sarah Hyland's character in the film XOXO. This ability to perform across genres is complemented by her linguistic skills, as she is fluent in multiple languages including English and French, and can perform in various dialects.

Alongside her voice-over career, Dost remains active as an on-camera actress and stage performer. Her screen credits include roles in German television series such as Großstadtrevier, Bad Cop, and the Tatrot crime series. Her theater experience encompasses performances in major musical productions, including roles in The Rocky Horror Show at the Theater Kiel and Hairspray at the Deutsches Theater München. Through this combination of stage presence, vocal training, and a versatile range, Johanna Dost has become a recognizable and active voice in contemporary German dubbing, particularly within the anime genre.