Kappei Yamaguchi
Known for Acting · 361 credits
- Born
- 1965-05-23 (age 61)
- Place of birth
- Fukuoka, Fukuoka, Japan
- Also known as
- Mitsuo Yamaguchi · Kinoshita Toukichirou · Ushiku Kyouya · Yamaguchi Kappei · Yamaguchi Mitsuo · 木下 桃吉郎
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 Deimon Devil Bats' ace receiver in Eyeshield 21.
Yamaguchi has appeared in eroge as Kyōya Ushihisa (牛久 京也, Ushihisa Kyōya). He made his first public appearance in North America at Otakon 2008; and was also a guest at Sakura-Con 2009. Yamaguchi's third appearance to date has been at Animazement in 2010.
He is married and has a daughter, Akane Yamaguchi (山口 茜), and a son, Ryunosuke Yamaguchi (山口 竜之介), who also are voice actors.
Description above from the Wikipedia article Kappei Yamaguchi, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known For
TV Shows (157)
JUJUTSU KAISEN
2020
as Kechizu (voice)
JoJo's Bizarre Adventure
2012
as Shigechi (voice) / Yo-Yo Ma
Hunter x Hunter
2011
as Feitan (voice)
The Ancient Magus' Bride
2017
as Oberon (voice)
One Piece
1999
as Usopp (voice)
Ranma ½
1989
as Ranma Saotome ♂ (voice)
Urusei Yatsura
2022
as Saizo (voice) / Tsuyuo (voice) / B-Bo (voice)
Death Note
2006
as L (voice)
Detective Conan
1996
as Shinichi Kudo (voice)
Yashahime: Princess Half-Demon
2020
as Inuyasha (voice)
InuYasha
2000
as InuYasha (voice)
Cowboy Bebop
1998
as Rhint (voice)
BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.
2020
as Shin (voice)
Ranma1/2
2024
as Ranma Saotome (voice)
Claymore
2007
as Male 'Awakened' 3 (voice)
Vinland Saga
2019
as Jabbathe (voice)
The Gymnastics Samurai
2020
as Bigbird Aragaki (voice)
Revolutionary Girl Utena
1997
as Shiori's boyfriend (voice)
Nadia: The Secret of Blue Water
1990
as Hamahama (voice)
Super Dragon Ball Heroes
2018
as Fu (voice)
Yu-Gi-Oh! GX
2004
as Professor Daitokuji / Lyman Banner (voice)
Hakkenden: Legend of the Dog Warriors
1990
as Sosuke Inukawa (voice)
Atashin'chi
2002
as Fujino (voice)
Baccano!
2007
as Chic Jefferson (voice)
Bakuage Sentai Boonboomger
2024
as Ticket (voice)
Danganronpa: The Animation
2013
as Hifumi Yamada (voice)
Sgt. Frog
2004
as Tororo
Tokusou Sentai Dekaranger
2004
as Thousanian Gineka (voice)
The Twelve Kingdoms
2002
as Rokuta (voice)
Showa Genroku Rakugo Shinju
2016
as Amaken (voice)
Train to the End of the World
2024
as Shizuru's father (voice)
Hikonin Sentai Akibaranger
2012
as Chief Clerk Blu-Ray (voice) / Chief Editor HVD (voice)
Eyeshield 21
2005
as Raimon Tarou
Zenki
1995
as Zenki (voice)
Miss Shachiku and the Little Baby Ghost
2022
as "Cute" Voiceover of the Week (voice)
Doubutsu Sentai Zyuohger
2016
as Illusion (voice)
Mobile Fighter G Gundam
1994
as Sai Saici (voice)
ODDTAXI
2021
as Eiji Kakihana (voice)
Powerpuff Girls Z
2006
Ressha Sentai ToQger
2014
as Ticket (voice)
The Law of Ueki
2005
as Hideyoshi Soya (voice)
RADIANT
2018
as Master Lord Majesty (voice)
Lil' Red Riding Hood Cha-Cha
1994
Tensou Sentai Goseiger
2010
as Ain-I of the Neutral (voice)
Rin-ne
2015
as Sabato Rokudou
Peacemaker Kurogane
2003
as Shinpachi Nagakura (voice)
Kiba
2006
as Hugh (voice)
The Ancient Magus' Bride: The Boy from the West and the Knight of the Blue Storm
2021
as Oberon (voice)
Wedding Peach
1995
as Takuro Amano
Samurai Pizza Cats
1990
as Yattarou
Magic Kaito 1412
2014
as Kaito Kuroba / Shinichi Kudo (voice)
GeGeGe no Kitaro
2018
as Ittan Momen
Majikoi - Oh! Samurai Girls
2011
as Ikuro Fukumoto (voice)
Pretty Guardian Sailor Moon
2003
as Artemis (voice)
Giant Robo: The Day the Earth Stood Still
1992
as Daisaku Kusama
PreCure Splash Star
2006
as Flappy (voice)
Record of Lodoss War
1990
as Etoh (voice)
PERSONA 4 the Animation
2011
as Teddie (voice)
Kamikaze Kaitou Jeanne
1999
as Noin Claude
B'T X
1996
as Camilla (voice)
Movies (204)
Kiki's Delivery Service
1989
as Tombo (voice)
Detective Conan: The Phantom of Baker Street
2002
as Shinichi Kudo (voice)
One Piece Film Red
2022
as Usopp (voice)
Detective Conan: One-Eyed Flashback
2025
as Shinichi Kudo (voice)
Detective Conan: The Million-Dollar Pentagram
2024
as Kaito Kid / Shinichi Kudou (voice)
Detective Conan: Quarter of Silence
2011
as Shinichi Kudo (voice)
Detective Conan: Black Iron Submarine
2023
as Shinichi Kudou (voice)
Detective Conan: The Private Eyes' Requiem
2006
as Shinichi Kudo (voice) / Kaito Kuroba (voice)
Detective Conan: Captured in Her Eyes
2000
as Shinichi Kudo (voice)
Detective Conan: The Last Wizard of the Century
1999
as Shinichi Kudo / Kaito Kuroba (voice)
Detective Conan: Crossroad in the Ancient Capital
2003
as Shinichi Kudo (voice)
Case Closed: The Fourteenth Target
1998
as Shinichi Kudo (voice)
One Piece Film: GOLD
2016
as Usopp (voice)
Detective Conan: Full Score of Fear
2008
as Shinichi Kudo (voice)
The Boy and the Beast
2015
as Teenage Jiromaru (voice)
Detective Conan: Strategy Above the Depths
2005
as Shinichi Kudou (voice)
Detective Conan: The Scarlet Bullet
2021
as Shinichi Kudo (voice)
Detective Conan: Private Eye in the Distant Sea
2013
as Shinichi Kudo (voice)
Death Note Relight 1: Visions of a God
2007
as L (voice)
Case Closed: The Crimson Love Letter
2017
as Shinichi Kudo (voice)
Detective Conan: The Lost Ship in the Sky
2010
as Shinichi Kudo / Kaito Kid (voice)
Detective Conan: Dimensional Sniper
2014
as Shinichi Kudo (voice)
Detective Conan: Jolly Roger in the Deep Azure
2007
as Shin'ichi Kudo (voice)
Detective Conan: Magician of the Silver Sky
2004
as Kaito Kid / Shinichi Kudou (voice)
One Piece: Giant Mecha Soldier of Karakuri Castle
2006
as Usopp (voice)
Detective Conan: The Eleventh Striker
2012
as Shinichi Kudo (voice)
Detective Conan: The Raven Chaser
2009
as Shinichi Kudo (voice)
Lupin the Third vs. Detective Conan: The Movie
2013
as Shinichi Kudo / Kaito Kuroba (voice)
Detective Conan: The Time Bombed Skyscraper
1997
as Shinichi Kudo (voice)
One Piece Film: Strong World
2009
as Usopp (voice)
Case Closed: Countdown to Heaven
2001
as Shinichi Kudo (voice)
One Piece Film: Z
2012
as Usopp (voice)
One Piece: Clockwork Island Adventure
2001
as Usopp (voice)
One Piece: The Movie
2000
as Usopp (voice)
Detective Conan: The Darkest Nightmare
2016
as Shinichi Kudo (voice)
Detective Conan: Sunflowers of Inferno
2015
as Shinichi Kudo / Kaitou Kid (voice)
Detective Conan: Episode One - The Great Detective Turned Small
2017
as Shinichi Kudo (voice)
One Piece: The Desert Princess and the Pirates: Adventure in Alabasta
2007
as Usopp / Lashes (voice)
One Piece: Baron Omatsuri and the Secret Island
2005
as Usopp (voice)
Detective Conan: The Bride of Halloween
2022
as Shinichi Kudo (voice)
Assassination Classroom the Movie: Our Time
2026
as Futoshi (voice)
Dream 9 Toriko x One Piece x Dragon Ball Z Super Collaboration Special!!
2013
as Usopp (voice)
Inuyasha the Movie: Affections Touching Across Time
2001
as Inuyasha (voice)
Ranma 1/2 the Movie 2: Nihao My Concubine
1992
as Ranma Saotome ♂ (voice)
One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends
2014
as Usopp (voice)
Battle Angel
1993
as Yūgo (voice)
Death Note Relight 2: L's Successors
2009
as L (voice)
Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in History
2015
as Shinichi Kudo (voice)
Gintama: Yoshiwara in Flames
2026
as Inorin (voice)
One Piece: Episode of Skypiea
2018
as Usopp (voice)
One Piece: Episode of Chopper Plus: Bloom in the Winter, Miracle Cherry Blossom
2008
as Usopp (voice)
One Piece: Curse of the Sacred Sword
2004
as Usopp (voice)
One Piece: Dead End Adventure
2003
as Usopp (voice)
Ranma 1/2 the Movie: Big Trouble in Nekonron, China
1991
as Ranma Saotome ♂ (voice)
One Piece: Heart of Gold
2016
as Usopp (voice)
One Piece: Chopper's Kingdom on the Island of Strange Animals
2002
as Usopp (voice)
Lupin the Third vs. Detective Conan
2009
as Shinichi Kudo (voice)
One Piece Episode of East Blue
2017
as Usopp (voice)
Inuyasha the Movie 3: Swords of an Honorable Ruler
2003
as Inuyasha (voice)
Pretty Cure All Stars DX3: Deliver the Future! The Rainbow-Colored Flower That Connects the World
2011
as Flappy
Escaflowne: The Movie
2000
as Shesta (voice)
Inuyasha the Movie 4: Fire on the Mystic Island
2004
as Inuyasha (voice)
One Piece: Stampede
2019
as Usopp (voice)
One Piece 3D: Straw Hat Chase
2011
as Usopp (voice)
Grappler Baki: The Ultimate Fighter
1994
as Baki Hanma
Hunter x Hunter: Phantom Rouge
2013
as Feitan (voice)
Yu-Gi-Oh! Bonds Beyond Time
2010
as Daitokuji (voice)
Inuyasha the Movie 2: The Castle Beyond the Looking Glass
2002
as Inuyasha (voice)
It's a Rumic World: 50th Anniversary Weekly★Shonen Sunday
2008
as Inuyasha / Ranma Saotome ♂ (voice)
One Piece: Episode of Luffy - Hand Island Adventure
2012
as Usopp (voice)
Ressha Sentai ToQger vs. Kyoryuger: The Movie
2015
as Ticket (voice)
Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train
2023
as Kaito Kuroba (voice)
One Piece Episode of Merry: The Tale of One More Friend
2013
as Usopp (voice)
Persona4 the ANIMATION -The Factor of Hope-
2012
as Kuma (voice)
Animal Crossing: The Movie
2006
as Fûta (voice)
Mazinger Z: Infinity
2017
as Mucha (voice)
Samurai X: The Motion Picture
1997
as Yasuharu Musashino
Pretty Cure All Stars DX2: The Light of Hope - Protect the Rainbow Jewel!
2010
as Flappy (voice)
Dead Leaves
2004
as Retro (voice)
Plastic Little: The Adventures of Captain Tita
1994
as Nicole (voice)
One Piece: Adventure of Nebulandia
2015
as Usopp (voice)
Case Closed: Zero the Enforcer
2018
as Shinichi Kudo / Kaito Kid (voice)
One Piece Episode of Nami: Tears of a Navigator and the Bonds of Friends
2012
as Usopp (voice)
Ranma 1/2: Team Ranma vs. the Legendary Phoenix
1994
as Ranma Saotome ♂ (voice)
Asura
2012
A Tree of Palme
2002
as Roualt (voice)
Hanappe Bazooka
1992
as Hanahei Yamada (voice)
Pretty Cure All Stars DX: Everyone Is a Friend - A Miracle All Pretty Cures Together
2009
as Flappy (voice)
Urotsukidōji II: Legend of the Demon Womb
1991
as Young Munchausen II (voice)
One Piece: Romance Dawn Story
2008
as Usopp (voice)
The Adventures of Tyrano Boy
2015
as Zesta (voice)
Ressha Sentai ToQger Returns: Super ToQ #7 of Dreams
2015
as Ticket (voice)
A Wind Named Amnesia
1990
as Johnny (voice)
Zyuden Sentai Kyoryuger vs. Go-Busters: The Great Dinosaur War
2014
as ToQger equipment (voice)
Ressha Sentai ToQger The Movie: Galaxy Line S.O.S.
2014
as Ticket / ToQger Equipment / Narrator (voice)
One Piece Episode of Sabo: The Three Brothers' Bond - The Miraculous Reunion and the Inherited Will
2015
as Usopp (voice)
Pokémon: Pikachu's Rescue Adventure
1999
as Parasect (voice)
Space Battleship Yamato Resurrection
2009
as Ryohei Nakanishi (voice)
Camp Pikachu
2002
as Barubeat (voice)
One Piece Special: Protect! The Last Great Stage
2003
as Usopp (voice)
Alice in Wonderland –Dive in Wonderland–
2025
as The White Rabit (voice)
Chibi Maruko-chan
2019
as Kenichi Oono (voice)
ODDTAXI in the Woods
2022
as Eiji Kakihana (voice)
Yona Yona Penguin
2009
as Mulmul (voice)
Inferious Interplanetary War Chronicle - Condition Green
1991
as Oscar Cloud (voice)
Detective Conan vs. Kid the Phantom Thief
2024
as Kaito Kuroba / Kaito Kid (voice)
Ultraman Super Fighter Legend
1996
as Astra / Announcer Banjou (voice)
Peacemaker Kurogane: Belief
2018
as Shinpachi Nagakura (voice)
Kindaichi Case Files Movie 1: The Opera House Murders
1996
as Hajime Kindaichi (Voice)
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai
2014
as ToQger Equipment Voice
One Piece Film Gold: Episode 0
2016
as Usopp (voice)
TIGER & BUNNY: The Beginning
2012
as Robin Baxter (voice)
Case Closed: The Fist of Blue Sapphire
2019
as Shinichi Kudo / Kaito Kuroba (voice)
One Piece - En route vers l'épisode 1000
2021
as Comédien de doublage de Usopp – Japon
Futari wa Precure Splash☆Star the Movie: Tic-Tac Crisis Hanging by a Thin Thread!
2006
as Flappy (voice)
One Piece Special: The Detective Memoirs of Chief Straw Hat Luffy
2005
as Usopp (voice)
Detective Conan: The Scarlet School Trip
2019
as Shinichi Kudo (voice)
Pretty Cure All Stars New Stage: Friends of the Future
2012
as Flappy
Super Sentai Strongest Battle Director's Cut
2019
as ToQger Arsenal (voice)
Mouse Story: The Adventures of George and Gerald
2007
as Chamberlain
About Kappei Yamaguchi
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… With 361 credits spanning from 1986 to 2026, Kappei Yamaguchi has appeared in 204 films and 157 TV shows.
Fans searching for Kappei Yamaguchi movies, Kappei Yamaguchi filmography, or the latest projects starring Kappei Yamaguchi can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Kappei Yamaguchi Movies
- Kiki's Delivery Service (1989) — as Tombo (voice)
- Detective Conan: The Phantom of Baker Street (2002) — as Shinichi Kudo (voice)
- One Piece Film Red (2022) — as Usopp (voice)
- Detective Conan: One-Eyed Flashback (2025) — as Shinichi Kudo (voice)
- Detective Conan: The Million-Dollar Pentagram (2024) — as Kaito Kid / Shinichi Kudou (voice)
Where to Watch Kappei Yamaguchi Films
Most Kappei Yamaguchi movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Kappei Yamaguchi, check our movies catalogue and browse page.