Personal Info
- Known For
- Acting
- Gender
- Male
- Birthday
- May 23, 1965
- Place of Birth
- Fukuoka, Fukuoka, Japan
- Career
- 1986 – 2026
- Credits
- 214 movies·162 TV shows
- Also Known As
- Mitsuo YamaguchiKinoshita ToukichirouUshiku KyouyaYamaguchi KappeiYamaguchi Mitsuo
Kappei Yamaguchi
Acting
Biography
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), and Kaito Kid and Shinichi Kudo (Case Closed). His current starring roles include that of Raimon "Monta" Taro, the De…
Known For
Filmography
Movies
Gintama the Movie 2026: Yoshiwara in Flames
as Inorin (voice)
Assassination Classroom the Movie: Our Time
as Futoshi (voice)
Detective Conan: The Counterfeit Case of Ultra 30
as Shinichi Kudo (voice)
A Lazy Day in Thousand Sunny
as Usopp
Detective Conan: Fallen Angel of the Highway
as Shinichi Kudou (voice)
Alice in Wonderland –Dive in Wonderland–
as The White Rabit (voice)
Detective Conan: One-Eyed Flashback
as Shinichi Kudo (voice)
Detective Conan: The 17-Year-Old Truth
as Shinichi Kudo (voice)
Stage Play 「Spooky Kitaro」
Detective Conan: The Million-Dollar Pentagram
as Kaito Kid / Shinichi Kudou (voice)
TV Shows
BEAT RUNNERS
as Vivace (voice) · 11 ep.
Mechanical Marie
as Carl Ojisan (voice) · 12 ep.
BUCCHIGIRI?!
as Komao (voice) · 12 ep.
Ranma1/2
as Ranma Saotome (voice) · 36 ep.
Mecha-Ude: Mechanical Arms
as Yakumo (voice) · 12 ep.
Bakuage Sentai Boonboomger
as Ticket (voice) · 1 ep.
Train to the End of the World
as Shizuru's father (voice) · 1 ep.
One Piece Log: Fish-Man Island Saga
as Usopp · 21 ep.
The Incident
3 ep.
Urusei Yatsura
as Saizo (voice) · as Tsuyuo (voice) · as B-Bo (voice) · 3 ep.