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), and Kaito Kid and Shinichi Kudo (Case Closed). His current starring roles include that of Raimon "Monta" Taro, the…
Filmography
80
Assassination Classroom the Movie: Our Time
2026
Gintama: Yoshiwara in Flames
2026
BEAT RUNNERS
BEAT RUNNERS
2026
Mechanical Marie
2025
Detective Conan: The 17-Year-Old Truth
2025
Alice in Wonderland –Dive in Wonderland–
2025
Stage Play 「Spooky Kitaro」
2025
Detective Conan: One-Eyed Flashback
2025
Ranma1/2
2024
Mecha-Ude: Mechanical Arms
2024
Unification of Japan Gaiden: Yamazaki Family — Joji and His Merry Friends
2024
Detective Conan: The Million-Dollar Pentagram
2024
Train to the End of the World
2024
Bakuage Sentai Boonboomger
2024
BUCCHIGIRI?!
2024
Detective Conan vs. Kid the Phantom Thief
2024
Detective Conan: Black Iron Submarine
2023
Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train
2023
Urusei Yatsura
2022
One Piece Film Red
2022
Detective Conan: The Bride of Halloween
2022
Miss Shachiku and the Little Baby Ghost
2022
Estab-Life: Great Escape
2022
ODDTAXI in the Woods
2022
One Piece - En route vers l'épisode 1000
2021
The Ancient Magus' Bride: The Boy from the West and the Knight of the Blue Storm
2021
Detective Conan: The Scarlet Bullet
2021
Space Academy
2021
ODDTAXI
2021
航海王：和之国总集篇
2021
One Pace
2020
The Gymnastics Samurai
2020
JUJUTSU KAISEN
2020
Yashahime: Princess Half-Demon
2020
BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.
2020
Detective Conan: The Scarlet School Trip
2019
Super Sentai Strongest Battle Director's Cut
2019
Vinland Saga
2019
Chibi Maruko-chan
2019
Case Closed: The Fist of Blue Sapphire
2019
Super Sentai Strongest Battle!!
2019
One Piece: Stampede
2019
RADIANT
2018
One Piece: Episode of Skypiea
2018
Super Dragon Ball Heroes
2018
Peacemaker Kurogane: Belief
2018
Case Closed: Zero the Enforcer
2018
GeGeGe no Kitaro
2018
Engimon
2018
One Piece Episode of East Blue
2017
Mazinger Z: Infinity
2017
The Ancient Magus' Bride
2017
Case Closed: The Crimson Love Letter
2017
Makeruna!! Aku no Gundan!
2017
Okaeri: Furusato no Karatsu
2017
Kamiwaza Wanda
2017
Detective Conan: Episode One - The Great Detective Turned Small
2017
One Piece: Heart of Gold
2016
One Piece: The Great Treasure of Tongari Island
2016
One Piece Film: GOLD
2016
One Piece Film Gold: Episode 0
2016
One Piece Characters Log
2016
Detective Conan: The Darkest Nightmare
2016
Doubutsu Sentai Zyuohger
2016
Shuriken Sentai Ninninger vs. ToQger the Movie: Ninjas in Wonderland
2016
Showa Genroku Rakugo Shinju
2016
One Piece: Adventure of Nebulandia
2015
One Piece Episode of Sabo: The Three Brothers' Bond - The Miraculous Reunion and the Inherited Will
2015
The Boy and the Beast
2015
Rampo Kitan: Game of Laplace
2015
Ressha Sentai ToQger Final Live Tour 2015
2015
Ressha Sentai ToQger Returns: Super ToQ #7 of Dreams
2015
The Adventures of Tyrano Boy
2015
Detective Conan: Sunflowers of Inferno
2015
Rin-ne
2015
Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in History
2015
Ressha Sentai ToQger vs. Kyoryuger: The Movie
2015
One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends
2014
Tomcat's Big Adventure
2014
Magic Kaito 1412
2014