Ole Pfennig is a German actor and voice actor, born on December 23, 1964. He began his career with formal training at the Studiotheater in Munich from 1985 to 1987, during which he also performed in theater productions such as Caligula and The Little Prince. Since the 1990s, he has built a extensive career in both on-screen roles and voice acting, providing the German dubbing voices for numerous characters in international films and television series.

Pfennig is particularly well-known in Germany for his prolific work as a voice actor in anime. He has lent his voice to a wide array of characters in the German dubs of popular series and films. Among his notable roles are Gibbs in the series Drifting Dragons, the powerful dragon knight Baran in Dragon Quest: The Adventure of Dai, and Shuu Izumi in the film The Relative Worlds. His work spans many other major anime franchises; he is the German voice of Eustass Kid and Kuzan/Aokiji in One Piece, Nagi Kengamine in Deadman Wonderland, Jouichiro Nishi in Gantz, Pip Bernadotte in Hellsing Ultimate, and Son Kaioh in the Baki series. He also voiced characters in films such as Vampire Hunter D: Bloodlust and Perfect Blue.

Beyond anime, Pfennig's voice acting career is marked by recurring collaborations with specific actors for their German dubs. He is the regular German voice for actor David Ramsey, known for his role as John Diggle / Spartan across several series in the Arrowverse, including Arrow, The Flash, and Legends of Tomorrow. He has also frequently dubbed actors such as Arnold Pinnock, Kevin Sorbo, and Kevin Durand. In addition, he has provided voices for major Hollywood films, including Jackie Earle Haley's Rorschach in Watchmen, Jason Statham in Ghosts of Mars, and Fenrir Grayback in Harry Potter and the Half-Blood Prince. His work also extends to television series, where he dubbed Jason Momoa's character Ronon Dex in Stargate Atlantis.