Norman Matt is a German voice actor and dialogue director recognized for his extensive work in dubbing foreign-language films, television series, and animated productions for the German-speaking market. His career is characterized by a high volume of work, providing the German voice for numerous international stars and contributing to a wide array of anime titles.

Matt's foundational training and early career began in broadcasting. From 1983, he worked at Westdeutscher Rundfunk (WDR) as a child speaker and later as an actor. He pursued higher education in theater, film, and television studies, as well as German studies and philosophy at the University of Cologne and the FernUniversity in Hagen. This academic background underpinned his transition into professional voice acting and dubbing, where he became active in the mid-1990s.

Beyond performing, Matt is a highly accomplished dialogue director and scriptwriter. He has written dialogue books and directed the German versions of major international films. Notably, his direction of the German synchronization for Quentin Tarantino's Inglourious Basterds earned him the Zuhörerpreis Silhouette in 2011 in the category of Best Film Synchronization Direction. His directorial work also includes acclaimed films such as Brokeback Mountain and Sin City.

While best known as the standard German voice for a host of prominent actors—including Cillian Murphy, Michael Fassbender, Mark Ruffalo, and Paul Rudd —Matt has a substantial and diverse portfolio in anime and animation. He has lent his voice to a wide range of characters across different eras and genres. One of his most prominent recent roles is the primary antagonist Muzan Kibutsuji in the global phenomenon Demon Slayer: Kimetsu no Yaiba. He also voiced the character across multiple arcs of the series, including the Entertainment District, Swordsmith Village, and Hashira Training arcs.

His work in the medium spans decades. In the 1990s, he provided the German voice for Bat in the Fist of the North Star movie and Johnny in A Wind Named Amnesia. He was also the voice of Kuririn in the German adaptation of the Dragon Ball television series. Other significant anime roles include Reishi Munakata in the K project and its related films such as K: Missing Kings and K: Seven Stories, Yuan Ka-Fai in the Tales of Symphonia animations, Kosuke Tsuda in The Girl Who Leapt Through Time, and Nozomu Nikaido in Maison Ikkoku: Kanketsuhen.

In addition to these, Matt's extensive anime filmography includes supporting roles in critically acclaimed movies like A Silent Voice and Millennium Actress, as well as series such as Fullmetal Alchemist, My Hero Academia, and Neon Genesis Evangelion. His voice is also familiar to gamers, most notably as the German voice of the protagonist Guybrush Threepwood in the Monkey Island video game series. Since 2011, his voice has been a constant presence on German television as the station voice for the broadcaster ProSieben.