Armin Berger is a German actor and voice actor known primarily for his work in dubbing foreign-language films and television series into German. His career in voice work began in the 1990s, and he has since built an extensive portfolio of roles across a wide range of genres, including animation, live-action television, and video games. Berger has also worked as a narrator for documentaries and television programs. In addition to his voice work, he has a background in stage acting and has provided training in public speaking and voice management.

One of Berger's notable roles in anime is providing the German voice for the character Makoto Isshiki in the science fiction series RahXephon. Makoto Isshiki is a complex and ambitious Mulian clone working for the Earth agency TERRA, whose arrogant and manipulative nature makes him a significant figure in the series' plot. This character was originally voiced by Toshihiko Seki in Japanese. Berger has also been associated with the role of Leon Garcia de Asturias from the series Trinity Blood, though specific details of this performance are not widely documented.

Beyond his anime work, Berger has contributed to the German dubs of many other popular series. He has voiced characters in long-running shows such as Law & Order, Will & Grace, and Sabrina the Teenage Witch. His film dubbing credits include roles in The Marksman and The Detonator. He also gained a degree of popularity for serving as the German commentator for the Japanese game show Takeshi's Castle during its broadcast on the German channel DSF.

Within the realm of science fiction, Berger has voiced multiple characters in the Star Trek franchise, including roles in Star Trek: Enterprise. His voice can be heard for characters such as Crewman Fletcher, the alien Akary, and the engineer voiced by Seth MacFarlane. This body of work demonstrates a career focused on character acting and providing German-language voice replacements for a diverse array of original performances.