Tobias Kluckert is a prominent German actor and voice actor, born on September 19, 1972, in Berlin. He comes from a family deeply rooted in the performing arts; he is the son of actor Jürgen Kluckert and the brother of fellow voice actors Sebastian and Fabian Kluckert. His path to voice acting began after he worked as a bartender in Berlin, where a patron suggested he audition for a dubbing studio. This led to his first small roles and subsequent training in acting, speech, and singing. Before focusing on voice work, he also gained early experience as a child and youth actor at a theater in Rostock.

Kluckert is one of the most sought-after voice actors in Germany, best known as the official German dubbing voice for a wide array of international stars, including Joaquin Phoenix, Bradley Cooper, Karl Urban, Nathan Fillion, and 50 Cent. His voice is familiar to audiences from countless live-action films and television series, such as his long-running role as Richard Castle in the series Castle and as Arthur Fleck in the film Joker.

In the realm of anime and animated films, Kluckert has contributed his voice to several notable productions. Early in his career, he was part of the ensemble cast for the iconic series Dragon Ball Z, providing the voice for the character Raditz. He is also the German voice of the titular character in the acclaimed animated series BoJack Horseman.

Confirming the specific examples provided, Tobias Kluckert voiced the character Aizu Yudagawa, also known as Aihara, in the 2008 anime film The Sky Crawlers. Additionally, he provided the German voice for the character Shunack in the 2006 anime film Origin: Spirits of the Past.

Beyond these specific roles, his work in anime dubbing is extensive. He has voiced Rei Ryugazaki in multiple installments of the popular Free! franchise, including the films and the Free! Dive to the Future series. Other significant anime roles include Kyouichi Shiba in The Testament of Sister New Devil, Muneakira Yagyuu in the Samurai Girls series, and Kouji Tanaka in Ajin: Demi-Human. He has also lent his voice to characters in major franchises such as JoJo's Bizarre Adventure: Stardust Crusaders as Noriaki Kakyoin, and in the globally successful series Demon Slayer: Kimetsu no Yaiba as the demon Enmu.

In addition to his work in film and television dubbing, Kluckert is an active voice for characters in video games, with notable roles including Alex Mason in the Call of Duty: Black Ops series, Edward Kenway in Assassin's Creed IV: Black Flag, and the Master Chief in the Halo series starting with Halo 4. He is also a prolific narrator for audiobooks and radio plays.