Hiroshi Tsuchida is a Japanese actor and voice actor born on February 8, 1972, in Tokyo, Japan. He is affiliated with the talent agency 81 Produce. His career began in live-action, where he made his debut in 1994 as Saizo, the NinjaBlue, in the Super Sentai series Ninja Sentai Kakuranger. Since the late 1990s, he has focused primarily on voice acting and narration, building an extensive body of work in anime, video games, and dubbing foreign films for the Japanese market.

Tsuchida has portrayed a wide array of characters across many popular anime series. In the long-running franchise Initial D, he took on the role of Kōichirō Iketani in the New Initial D the Movie film trilogy, including Legend 1: Awakening, Legend 2: Racer, and Legend 3: Dream. He has a recurring role as Professor Platane (Professor Sycamore) in the Pokémon anime, appearing in Pokémon: XY and several Mega Evolution specials. In the science fiction series, he voices Susumu Yamazaki in Space Battleship Yamato 2199 and its sequel, Uchū Senkan Yamato 2205: Aratanaru Tabidachi. His other notable anime roles include the inquisitor Salomon in Parallel World Pharmacy, Masaya Hoshi in Platinum End, Allen in the Black Fox anime film, and J.J. Sexton in the web anime Mobile Suit Gundam Thunderbolt. More recent roles include Machida in the 2024 series Negative Positive Angler.

Beyond the roles listed, Tsuchida is widely recognized for several other significant performances. He is the Japanese voice of Grisha Jaeger, the father of the protagonist, in the globally acclaimed series Attack on Titan. He also voices Ganesha in the Is It Wrong to Try to Pick Up Girls in a Dungeon? series and has had roles in long-running shows like Naruto, One Piece, and Gintama. His work extends to video games, where he is known for providing the voice of Feng Wei in the Tekken franchise and Zasalamel in the Soulcalibur series.

A significant portion of Tsuchida's career is dedicated to dubbing, providing Japanese voices for numerous foreign actors and films. He is the regular dubbing voice for actor Joseph Gordon-Levitt, having voiced his characters in films such as Inception, The Dark Knight Rises, and Don Jon. He also frequently dubs for actors like Scott Adkins, Lee Byung-hun, and James Franco. His dubbing work spans a wide range of Hollywood films, including providing the voice of Matt Damon in Elysium and Interstellar, and the voice of Kraglin in the Guardians of the Galaxy films.