Movies with Kappei Yamaguchi
Mitsuo Yamaguchi , known professionally as Kappei Yamaguchi , is a Japanese actor, voice actor, and rakugoka affiliated with Gokū and 21st Century Fox. After making his voice acting debut in 1989 as the male version of Ranma Saotome in Ranma ½, Yamaguchi went on to other notable roles, including Inuyasha in Inuyasha and its sequel Yashahime, and L in Death Note. He currently voices Shinichi Kudo and Kaito Kid in Case Closed, Usopp in One Piece and Teddie in Persona 4. He is married and has a son, Ryunosuke, and a daughter, Akane. Ryunosuke and Akane are also voice actors, while the latter is…
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As actor
87 performances
Detective Conan: One-Eyed Flashback
2025 · ★ 7.3
as Shinichi Kudo (voice)
Detective Conan: The Million-Dollar Pentagram
2024 · ★ 6.9
as Kaito Kid / Shinichi Kudou (voice)
One Piece Film Red
2022 · ★ 7.2
as Usopp (voice)
Detective Conan: The Bride of Halloween
2022 · ★ 6.4
as Shinichi Kudo (voice)
ODDTAXI in the Woods
2022 · ★ 6.4
as Eiji Kakihana (voice)
Detective Conan: The Scarlet Bullet
2021 · ★ 6.5
as Shinichi Kudo (voice)
One Piece: Stampede
2019 · ★ 7.8
as Usopp (voice)
Case Closed: The Fist of Blue Sapphire
2019 · ★ 6.2
as Shinichi Kudo / Kaito Kuroba (voice)
Case Closed: Zero the Enforcer
2018 · ★ 6.2
as Shinichi Kudo / Kaito Kid (voice)
One Piece: Episode of Skypiea
2018 · ★ 7.2
as Usopp (voice)
Case Closed: The Crimson Love Letter
2017 · ★ 6.5
as Shinichi Kudo (voice)
Detective Conan: Episode One - The Great Detective Turned Small
2017 · ★ 7.6
as Shinichi Kudo (voice)
One Piece Film: GOLD
2016 · ★ 7.2
as Usopp (voice)
Detective Conan: The Darkest Nightmare
2016 · ★ 6.8
as Shinichi Kudo (voice)
One Piece: Heart of Gold
2016 · ★ 7.4
as Usopp (voice)
The Boy and the Beast
2015 · ★ 7.9
as Teenage Jiromaru (voice)
One Piece: Adventure of Nebulandia
2015 · ★ 7.7
as Usopp (voice)
Detective Conan: Sunflowers of Inferno
2015 · ★ 6.1
as Shinichi Kudo / Kaitou Kid (voice)
Detective Conan: The Disappearance of Conan Edogawa - The Worst Two Days in History
2015 · ★ 7.1
as Shinichi Kudo (voice)
Detective Conan: Dimensional Sniper
2014 · ★ 6.8
as Shinichi Kudo (voice)
Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Special
2014 · ★ 7.5
as Ticket / ToQger Equipment (voice)
Hunter x Hunter: Phantom Rouge
2013 · ★ 7.0
as Feitan (voice)
Lupin the Third vs. Detective Conan: The Movie
2013 · ★ 6.9
as Shinichi Kudo / Kaito Kuroba (voice)
Detective Conan: Private Eye in the Distant Sea
2013 · ★ 6.6
as Shinichi Kudo (voice)
One Piece Episode of Merry: The Tale of One More Friend
2013 · ★ 7.1
as Usopp (voice)
Detective Conan: The Eleventh Striker
2012 · ★ 6.8
as Shinichi Kudo (voice)
Asura
2012 · ★ 7.2
One Piece: Episode of Luffy - Hand Island Adventure
2012 · ★ 6.7
as Usopp (voice)
One Piece Episode of Nami: Tears of a Navigator and the Bonds of Friends
2012 · ★ 7.0
as Usopp (voice)
One Piece 3D: Straw Hat Chase
2011 · ★ 6.7
as Usopp (voice)
Detective Conan: Quarter of Silence
2011 · ★ 7.1
as Shinichi Kudo (voice)
One Piece 3D: Gekisou! Trap Coaster
2011 · ★ 6.9
as Usopp (voice)
Detective Conan: The Lost Ship in the Sky
2010 · ★ 7.1
as Shinichi Kudo / Kaito Kid (voice)
Heart and Yummie
2010 · ★ 8.0
as Heart (voice)
One Piece Film: Strong World
2009 · ★ 7.4
as Usopp (voice)
Detective Conan: The Raven Chaser
2009 · ★ 7.3
as Shinichi Kudo (voice)
Space Battleship Yamato Resurrection
2009 · ★ 5.8
as Ryohei Nakanishi (voice)
Detective Conan: Full Score of Fear
2008 · ★ 6.9
as Shinichi Kudo (voice)
One Piece: Episode of Chopper Plus: Bloom in the Winter, Miracle Cherry Blossom
2008 · ★ 7.1
as Usopp (voice)
One Piece: Romance Dawn Story
2008 · ★ 6.1
as Usopp (voice)
Death Note Relight 1: Visions of a God
2007 · ★ 7.9
as L (voice)
One Piece: The Desert Princess and the Pirates: Adventure in Alabasta
2007 · ★ 6.9
as Usopp / Lashes (voice)
Detective Conan: Jolly Roger in the Deep Azure
2007 · ★ 6.5
as Shin'ichi Kudo (voice)
One Piece: Giant Mecha Soldier of Karakuri Castle
2006 · ★ 7.0
as Usopp (voice)
Detective Conan: The Private Eyes' Requiem
2006 · ★ 7.1
as Shinichi Kudo (voice) / Kaito Kuroba (voice)
Futari wa Precure Splash☆Star the Movie: Tic-Tac Crisis Hanging by a Thin Thread!
2006 · ★ 6.6
as Flappy (voice)
One Piece: Baron Omatsuri and the Secret Island
2005 · ★ 7.2
as Usopp (voice)
Detective Conan: Strategy Above the Depths
2005 · ★ 6.9
as Shinichi Kudou (voice)
One Piece Special: The Detective Memoirs of Chief Straw Hat Luffy
2005 · ★ 6.9
as Usopp (voice)
One Piece: Curse of the Sacred Sword
2004 · ★ 6.9
as Usopp (voice)
Detective Conan: Magician of the Silver Sky
2004 · ★ 7.0
as Kaito Kid / Shinichi Kudou (voice)
Dead Leaves
2004 · ★ 7.0
as Retro (voice)
Inuyasha the Movie 4: Fire on the Mystic Island
2004 · ★ 7.6
as Inuyasha (voice)
One Piece: Dead End Adventure
2003 · ★ 7.0
as Usopp (voice)
Detective Conan: Crossroad in the Ancient Capital
2003 · ★ 7.1
as Shinichi Kudo (voice)
Inuyasha the Movie 3: Swords of an Honorable Ruler
2003 · ★ 7.7
as Inuyasha (voice)
One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream!
2003 · ★ 6.6
as Usopp (voice)
One Piece Special: Protect! The Last Great Stage
2003 · ★ 7.3
as Usopp (voice)
Detective Conan: The Phantom of Baker Street
2002 · ★ 7.8
as Shinichi Kudo (voice)
One Piece: Chopper's Kingdom on the Island of Strange Animals
2002 · ★ 6.7
as Usopp (voice)
Inuyasha the Movie 2: The Castle Beyond the Looking Glass
2002 · ★ 7.7
as Inuyasha (voice)
One Piece: Dream Soccer King!
2002 · ★ 6.6
as Usopp (voice)
A Tree of Palme
2002 · ★ 6.9
as Roualt (voice)
One Piece: Clockwork Island Adventure
2001 · ★ 6.9
as Usopp (voice)
Inuyasha the Movie: Affections Touching Across Time
2001 · ★ 7.5
as Inuyasha (voice)
Case Closed: Countdown to Heaven
2001 · ★ 7.4
as Shinichi Kudo (voice)
One Piece: Jango's Dance Carnival
2001 · ★ 7.1
as Usopp (voice)
One Piece: The Movie
2000 · ★ 7.1
as Usopp (voice)
Detective Conan: Captured in Her Eyes
2000 · ★ 7.4
as Shinichi Kudo (voice)
Escaflowne: The Movie
2000 · ★ 6.7
as Shesta (voice)
Luffy's Fall! The Unexplored Region - Grand Adventure in the Ocean's Navel
2000 · ★ 5.8
as Usopp (voice)
Detective Conan: The Last Wizard of the Century
1999 · ★ 7.3
as Shinichi Kudo / Kaito Kuroba (voice)
Case Closed: The Fourteenth Target
1998 · ★ 7.1
as Shinichi Kudo (voice)
Detective Conan: The Time Bombed Skyscraper
1997 · ★ 7.4
as Shinichi Kudo (voice)
Noiseman Sound Insect
1997 · ★ 6.9
as Manabu (voice)
Ranma 1/2: Team Ranma vs. the Legendary Phoenix
1994 · ★ 7.7
as Ranma Saotome ♂ (voice)
Grappler Baki: The Ultimate Fighter
1994 · ★ 6.7
as Baki Hanma
Plastic Little: The Adventures of Captain Tita
1994 · ★ 5.7
as Nicole (voice)
Battle Angel
1993 · ★ 6.9
as Yūgo (voice)
Ranma 1/2 the Movie 2: Nihao My Concubine
1992 · ★ 7.9
as Ranma Saotome ♂ (voice)
Delinquent in Drag
1992 · ★ 5.6
as Suke Banji (voice)
Hanappe Bazooka
1992 · ★ 6.1
as Hanahei Yamada (voice)
Desperate Love 1989
1992 · ★ 4.6
as Katsumi Shibuya (voice)
Ranma 1/2 the Movie: Big Trouble in Nekonron, China
1991 · ★ 7.2
as Ranma Saotome ♂ (voice)
A Wind Named Amnesia
1990 · ★ 5.9
as Johnny (voice)
Violence Jack: Hell's Wind
1990 · ★ 5.3
as Saburo Tenma
Kiki's Delivery Service
1989 · ★ 7.8
as Tombo (voice)