Biography
Kappei Yamaguchi
Acting
Mitsuo Yamaguchi (山口 光雄, Yamaguchi Mitsuo), better known by his stage name of Kappei Yamaguchi (山口 勝平, Yamaguchi Kappei) is a Japanese voice actor and actor from Fukuoka, affiliated with Gokū and 21st Century Fox. He is best known for the roles of Ranma Saotome (Ranma ½), Jackson Neil (Miracle Girls), Tombo (Kiki's Delivery Service), Yattaro (Kyattou Ninden Teyandee), InuYasha (InuYasha), Ryuichi Sakuma (Gravitation), L (Death Note), Usopp (One Piece), Hideyoshi (Law of Ueki…
Career works
363
Movies
205
Series
158
Career average
6.8/10
Birth date
05/23/1965
Place of birth
Fukuoka, Fukuoka, Japan
Filmography highlights
Movies
Assassination Classroom the Movie: Our Time
2026 · 7.2
Gintama the Movie 2026: Yoshiwara in Flames
2026 · 8.0
Detective Conan: The 17-Year-Old Truth
2025
Alice in Wonderland –Dive in Wonderland–
2025 · 7.7
Stage Play 「Spooky Kitaro」
2025
Detective Conan: One-Eyed Flashback
2025 · 7.2
Unification of Japan Gaiden: Yamazaki Family — Joji and His Merry Friends
2024
Detective Conan: The Million-Dollar Pentagram
2024 · 6.9
Detective Conan vs. Kid the Phantom Thief
2024 · 6.3
Detective Conan: Black Iron Submarine
2023 · 7.0
Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train
2023 · 6.7
One Piece Film Red
2022 · 7.2
Detective Conan: The Bride of Halloween
2022 · 6.4
ODDTAXI in the Woods
2022 · 6.3
One Piece - En route vers l'épisode 1000
2021 · 7.4
Series
BEAT RUNNERS
2026 · 9.0
Mechanical Marie
2025 · 7.8
Ranma1/2
2024 · 8.1
Mecha-Ude: Mechanical Arms
2024 · 7.1
Train to the End of the World
2024 · 7.0
Bakuage Sentai Boonboomger
2024 · 8.5
BUCCHIGIRI?!
2024 · 7.4
The Incident
2023 · 8.9
Urusei Yatsura
2022 · 6.8
Miss Shachiku and the Little Baby Ghost
2022 · 6.3
Estab-Life: Great Escape
2022 · 5.6
The Ancient Magus' Bride: The Boy from the West and the Knight of the Blue Storm
2021 · 7.8
Space Academy
2021
ODDTAXI
2021 · 8.3
航海王：和之国总集篇
2021 · 10.0