Klaus-Dieter Klebsch is a German actor and voice actor born on April 4, 1949, in Potsdam, Germany. His career spans several decades and includes work in television, film, and extensive voice acting for animated series and films, particularly in dubbing for the German-language market. He has been active in the entertainment industry since at least 1971.

In the realm of anime and animation dubbing, Klebsch is recognized for providing the German voice for a number of prominent characters. He voices the Storm Dragon Veldora Tempest in the anime series That Time I Got Reincarnated as a Slime and its related projects, including the spin-off That Time I Got Reincarnated as a Slime: Tales - Veldora's Journal and the film That Time I Got Reincarnated as a Slime: The Movie — Scarlet Bond. He also lends his voice to the character of Police Inspector Juuzou Megure in the crossover film Lupin the Third vs. Detective Conan: The Movie. While the user specifically mentioned roles in Demon Slayer, Attack on Titan, and Appleseed, these were not verified within the search results provided.

Beyond the examples given, Klebsch's voice work in German dubs is extensive. He has voiced characters in a wide array of anime series, such as Kinrou in Dr. Stone, a White Blood Cell in Cells at Work!, and Arc Lalatoya in Skeleton Knight in Another World. His work also includes roles in series like Fire Force, Golden Kamuy, and Bleach: Thousand-Year Blood War. In addition to anime, his dubbing credits include live-action and animated films; for instance, he provided the German voice for the character Tom Banachek in the live-action film Transformers and its sequels, as well as voicing Lord Garmadon in the animated series Ninjago: Masters of Spinjitzu and the title character Optimus Prime in the later seasons of Transformers: Prime.

Klebsch's career is marked by frequent collaboration within the German dubbing industry, working alongside many of the country's established voice actors and dialogue directors. In addition to his dubbing work, he has also appeared in on-screen roles in German television series, such as a 61-episode stint on the long-running soap opera Gute Zeiten, schlechte Zeiten, and has served as a narrator for documentary series like Terra X. His contributions also extend to German audio drama productions, such as the series Die Abenteuer der Letzten Helden.