Johannes Baasner, also known as Johannes Berenz, is a German actor and voice actor born on May 1, 1965 in Berlin. He initially performed under the name Johannes Baasner before working as Johannes Berenz later in his career. Before focusing on voice work, he worked as an on-screen actor, including a role on the German television series Gute Zeiten, schlechte Zeiten.

In the field of anime voice acting, Baasner has contributed to several notable series. He is known for providing the German voice of Thorkell in the anime series Vinland Saga, taking over the role originally performed by Akio Ootsuka in Japanese. His work in anime also includes the role of Yoshiyuki Terada in Card Captor Sakura. On his professional profile, his vocal range is described as suitable for characters from ages thirty-six to seventy.

Beyond anime, Baasner has an extensive career in dubbing for live-action films and television series. He has served as the frequent German dubbing voice for actors such as Ben Affleck, Owen Wilson, Josh Holloway known for his role as James Sawyer Ford on Lost, Isaiah Washington as Dr. Preston Burke on Greys Anatomy, and Eric Close on Without a Trace. His voice work also extends to video games, where he is recognized for portraying protagonist William Joseph B.J. Blazkowicz in the modern Wolfenstein series and the antagonist Joseph Seed in Far Cry 5.