Hisashi Katsuta (勝田 久, Katsuta Hisashi) was a Japanese actor and voice actor. He is best known for his voice-over portrayal of Professor Ochanomizu in three anime adaptations of the Astro Boy franchise, and also voiced Dr. Hoshi in Astroganger (1972–1973), Professor Tobishima in Groizer X (1976–1977), and Shin'ichirō Izumi in Tōshō Daimos (1978–1979).
2005Astro Boy: Mighty Atom – Visitor of 100,000 Light Years, IGZAMovieas Dr. Ochanomizu (voice)
2003Astro Boy: Ivan's Planet - Robot and Human FriendshipMovie2003Astro BoyTV showas Ochanomizu Hakase (voice) · 50 episodes
2003The Secret of Astro Boy’s BirthMovie
2001Astro Boy: The Last Day of EarthMovieas Dr. Ochanomizu (voice)2000Osamu Tezuka's Last Mystery of the 20th CenturyMovieas Dr. Ochanomizu (voice)
1999Astro Boy: Volume of the Blue KnightMovie1989The Tale of Osamu Tezuka: I'm Son-GokuMovieas (voice)1985Musashi no KenTV showas Ueda-sensei (voice) · 1 episodes1985Megazone 23Movieas Director General (voice)1984Katri: Girl of the MeadowsTV showas Elias Lilack (voice) · 49 episodes1980Astro BoyTV showas Dr. Ochanomizu (voice) · 52 episodes1980FumoonMovieas Dr. Ochanomizu (voice)1979The Rose of VersaillesTV showas Louis XV · 40 episodes1979Manga Sarutobi SasukeTV showas Yukimura Sanada · as Koumura Shinda · 24 episodes1979Undersea Super Train: Marine ExpressMovieas Professor Ochanomizu as "Dr. Narzenkopf" (voice)1978One Million-Year Trip: Bander BookMovieas Ed (voice)1978Fighting General DaimosTV showas Shin'ichirō Izumi · as Olban · 44 episodes
1977Song of Baseball EnthusiastsTV showas オーナー · 25 episodes1977Jetter MarsTV showas 川下博士 · 27 episodes
1972Igaku hakase Matsutsukubo Kôhei no iigaku kôza 3: KaikonMovie
1972Igaku hakase Matsutsukubo Kôhei no iigaku kôza 2: Free sexMovie
1972Doctor Chieko no sei to ai no series: Ai no karuteMovie
1972Doctor Chieko no sei to ai no series: HininMovie
1972Doctor Chieko no sei to ai no series: Ninshin chûzetsuMovie1971DecisionTV showas (voice) · 25 episodes1967PermanTV showas パパ · 54 episodes1966Jungle EmperorMovieas Mandy (voice)1965Kimba the White LionTV showas Mandy (voice) · 78 episodes1964Astro Boy: The Brave In SpaceMovieas Professor Ochanomizu1963Astro BoyTV showas Ochanomizu Hakase · 193 episodes