Christian Zeiger is a German voice actor, dialogue director, and dialogue script writer born on May 21, 1992, in Potsdam, Germany. He began his career in the entertainment industry after being discovered at a children's casting, which led to his first role as the voice of Ringel in the animated film series Au Schwarte!. A significant milestone in his early career was his nomination for the German Synchron Award in the newcomer category in 2006 for his portrayal of Charlie Bucket in Charlie and the Chocolate Factory. He has since become a prominent and versatile voice in German dubbing, known for lending his voice to a wide array of characters in anime, live-action series, and films.

In the realm of anime, Zeiger has been entrusted with voicing several leading and iconic characters. He is the German voice of Armin Arlert across all seasons of the monumental series Attack on Titan, including The Final Season and its associated compilation films. He voices the kind-hearted protagonist Hitohito Tadano in Komi Can't Communicate. In Sword Art Online: Alicization, he takes on the role of Eugeo, and he voices Shōyō Hinata in the popular sports anime Haikyu!!. Other notable anime roles include Nagisa Hazuki in Free! - Dive to the Future, Nahoya Kawata in Tokyo Revengers, Shinji Ikari in the 2019 Netflix re-dub of Neon Genesis Evangelion, and Alois Trancy in Black Butler. His film work in anime includes roles in Her Blue Sky, Fullmetal Alchemist: The Revenge of Scar as Alphonse Elric, and the Black Clover film as Rill Boismortier.

Beyond anime, Zeiger is widely recognized as the official German dubbing voice of actor Tom Holland, a role he has held since 2016. This includes voicing Holland's portrayal of Peter Parker / Spider-Man in the Marvel Cinematic Universe films, as well as his performances in films like Uncharted, Onward, and Cherry. He has also provided the German voice for actor Nathan Kress as Freddie Benson in the series iCarly and its revival. His extensive voice work also includes the long-running role of Lloyd Garmadon in the Ninjago franchise since 2012, Clay Jensen in 13 Reasons Why, and Darwin in The Amazing World of Gumball. In addition to his work as a voice actor, Zeiger is also active as a dialogue director and dialogue script writer, contributing to the German adaptations of various productions.