Wanja Gerick is a German voice actor, dialogue director, and dialogue writer born on February 16, 1981, in Berlin. He has been active in the dubbing industry since 1993, lending his voice to a wide array of characters in film, television, and animation, with a significant body of work in anime. His voice is the German standard for several high-profile international actors, most notably Hayden Christensen as Anakin Skywalker in the Star Wars franchise and Jared Padalecki as Sam Winchester in Supernatural.

Gerick's career in anime is extensive and includes many prominent roles. He is perhaps best known as the long-standing German voice of Krillin across numerous Dragon Ball properties, including Dragon Ball Z, Dragon Ball GT, Dragon Ball Super: Super Hero, and multiple films. In the universe of Yu-Gi-Oh!, he voiced the main character Yusei Fudo in both the Yu-Gi-Oh! 5Ds television series and the film Yu-Gi-Oh! 3D: Bonds Beyond Time. He also provided the voice for Red Robin (Tim Drake) in the animated feature Batman Ninja.

Beyond these titles, his filmography includes the role of Youzou Ooba in the film Human Lost, and two distinct roles within the Kabaneri of the Iron Fortress franchise: Sukari in the television series and Kurusu in the film The Battle of Unato. He voiced Leslie Harris in an episode of the Black Jack OVA series.

A recurring theme in Gerick's work is his association with specific anime franchises and characters. He is the voice of Alphonse Elric in both Fullmetal Alchemist and Fullmetal Alchemist: Brotherhood, as well as the film Conqueror of Shamballa. His other notable anime roles include Masquerade in Bakugan Battle Brawlers, J.P. in Digimon Frontier, L.A. in El Cazador de la Bruja, Gin Ichimaru in Bleach, and Zeo Abyss in Beyblade: Metal Fury. His work extends to video games, where he is, for example, the voice of Riku in the Kingdom Hearts series.

In addition to voice acting, Gerick also works behind the scenes. He has served as an ADR director, for instance on the German version of Voltron: Legendary Defender, and as a dialogue writer. He has also been a guest at German fan conventions, such as the Jedi-Con in 2010, highlighting his recognition within the voice acting community.