Marcel Navarro is a Spanish actor of dubbing, recognized for his voice work in anime and animation for the Spanish market. His career began in his youth, sparked by a passion for dubbing after watching Disney's The Lion King. He started by creating fan dubs of movie trailers, notably for the Harry Potter saga, and began formal training and studio work at the age of eighteen.

Navarro has built a diverse portfolio voicing leading characters in prominent anime series and films. He is the voice of Kage, the shadowy assassin and loyal friend to the protagonist, in the series Ranking of Kings, a role he reprised for its sequel, Ranking of Kings: Treasure Chest of Courage. He also voices the principal character Tanjiro Kamado in the Spanish dub of the global phenomenon Demon Slayer: Kimetsu no Yaiba, including its film sequel, Demon Slayer: Kimetsu no Yaiba - The Movie: Mugen Train. In the world of Dragon Ball, Navarro lends his voice to the angelic attendant Whis in the films Dragon Ball Super: Broly and Dragon Ball Super: Super Hero. His work extends to other major anime films and series, including the role of Rody Soul in My Hero Academia THE MOVIE: World Heroes' Mission, Shunya Sato in Godzilla Singular Point, and appearances in films such as Weathering With You and Josee, The Tiger and the Fish. While much of his filmography is in animation, his work is characterized by a versatility that spans from intense leading roles in anime to dubbing for live-action actors.