Yamaguchi, Kappei
Filmography151 Shows167 Credits
Known For
2017
Shouwa Genroku Rakugo Shinjuu: Sukeroku Futatabi-hen
Voice of Amaken
2016
Shouwa Genroku Rakugo Shinjuu
Voice of AmakenVoice of Amano
2006
Death Note
Voice of Lawliet, L
2006
Meitantei Conan OVA 06: Kieta Daiya wo Oe! Conan & Heiji VS Kid!
Voice of Edogawa, ConanVoice of Kuroba, Kaito
2006
One Piece Movie 07: Karakuri-jou no Mecha Kyohei
Voice of Usopp
2005
Yuki no Joou (TV)
Voice of Peter
2005
Ueki no Housoku
Voice of Soya, Hideyoshi
2005
One Piece Movie 06: Omatsuri Danshaku to Himitsu no Shima
Voice of Usopp
2004
InuYasha Movie 4: Guren no Houraijima
Voice of Inuyasha
2004
Uchuu Koukyoushi Maetel: Ginga Tetsudou 999 Gaiden
Voice of Ooyama, Tochirou
2004
Meitantei Conan Movie 08: Ginyoku no Magician
Voice of Edogawa, ConanVoice of Kuroba, Kaito
2004
Sensei no Ojikan: Dokidoki School Hours
Voice of Suetake, Kenta
2004
One Piece Movie 05: Norowareta Seiken
Voice of Usopp
2004
Dead Leaves
Voice of Retro
2003
InuYasha Movie 3: Tenka Hadou no Ken
Voice of Inuyasha
2003
One Piece: Mamore! Saigo no Oobutai
Voice of Usopp
2003
Meitantei Conan Movie 07: Meikyuu no Crossroad
Voice of Edogawa, Conan
2003
One Piece: Oounabara ni Hirake! Dekkai Dekkai Chichi no Yume!
Voice of Usopp
2003
One Piece Movie 04: Dead End no Bouken
Voice of Usopp
2003
Mouse
Voice of Muon, Sorata
2002
InuYasha Movie 2: Kagami no Naka no Mugenjou
Voice of Inuyasha
2002
Space Pirate Captain Herlock: Outside Legend - The Endless Odyssey
Voice of Ooyama, Tochirou
2002
Weiß Kreuz Glühen
Voice of Izumi, Sena
2002
Meitantei Conan Movie 06: Baker Street no Bourei
Voice of Edogawa, Conan
2002
Rizelmine
Voice of Iwaki, Tomonori
2002
One Piece Movie 03: Chinjuu-jima no Chopper Oukoku
Voice of Usopp
2001
InuYasha Movie 1: Toki wo Koeru Omoi
Voice of Inuyasha
2001
X OVA
Voice of Sumeragi, Subaru
2001
Injuu Gakuen La☆Blue Girl: Fukkatsu-hen
Voice of Nin-Nin
2001
Meitantei Conan Movie 05: Tengoku e no Countdown
Voice of Edogawa, Conan
2001
Geneshaft
Voice of Gedoux, Jean
2001
One Piece Movie 02: Nejimaki-jima no Daibouken
Voice of Usopp
2000
One Piece: Umi no Heso no Daibouken-hen
Voice of Usopp
2000
InuYasha
Voice of Inuyasha
2000
Meitantei Conan OVA 01: Conan vs. Kid vs. Yaiba - Houtou Soudatsu Daikessen!!
Voice of Edogawa, ConanVoice of Kuroba, Kaito
2000
Gravitation
Voice of Sakuma, Ryuuichi
2000
Escaflowne
Voice of Chesta
2000
Meitantei Conan Movie 04: Hitomi no Naka no Ansatsusha
Voice of Edogawa, Conan
2000
One Piece Movie 01
Voice of Usopp
1999
One Piece
Voice of Usopp
1999
Gravitation: Lyrics of Love
Voice of Sakuma, Ryuuichi
1999
Meitantei Conan Movie 03: Seikimatsu no Majutsushi
Voice of Edogawa, ConanVoice of Kuroba, Kaito
1999
Eden's Bowy
Voice of Yorn
1999
Betterman
Voice of Aono, Keita
1998
Meitantei Conan Movie 02: 14-banme no Target
Voice of Edogawa, Conan
1998
Mahou no Stage Fancy Lala
Voice of Yoshida, Taro
1998
Lodoss-tou Senki: Eiyuu Kishi Den
Voice of Etoh
1997
Meitantei Conan Movie 01: Tokei Jikake no Matenrou
Voice of Edogawa, Conan
1997
Eikyuu Kazoku
Voice of Sasuke
1996
Bronze: Zetsuai Since 1989
Voice of Shibuya, Katsumi
1996
Houma Hunter Lime
Voice of Bass
1996
X/1999
Voice of Sumeragi, Subaru
1996
Injuu Gakuen EX
Voice of Nin-Nin
1996
Tenkuu no Escaflowne
Voice of Chesta
1996
Can Can Bunny Extra
Voice of Ochiai, Kenta
1996
Meitantei Conan
Voice of Edogawa, Conan
1995
Ranma ½ Super
Voice of Saotome, Ranma
1995
Gokinjo Monogatari
Voice of Yamaguchi, Tsutomu
1994
Ranma ½: Yomigaeru Kioku
Voice of Saotome, Ranma
1994
Ranma ½: Chou Musabetsu Kessen! Ranma Team vs. Densetsu no Houou
Voice of Saotome, Ranma
1994
Osakana wa Ami no Naka
Voice of Matsui, Takahiro
1993
Boku no Chikyuu wo Mamotte
Voice of Kazama, Haruhiko
1993
Ranma ½ OVA
Voice of Saotome, Ranma
1993
Gunnm
Voice of Yugo
1992
Tokyo Babylon
Voice of Sumeragi, Subaru
1992
Ranma ½: Kessen Tougenkyou! Hanayome wo Torimodose!
Voice of Saotome, Ranma
1992
Zetsuai 1989
Voice of Shibuya, Katsumi
1992
Injuu Gakuen La Blue Girl
Voice of Nin-Nin
1992
KO Seiki Beast Sanjuushi
Voice of Derbard, Wan
1992
Mama wa Shougaku 4-nensei
Voice of Hanada, Hideo
1991
Ranma ½: Chuugoku Nekonron Daikessen! Okite Yaburi no Gekitou-hen!!
Voice of Saotome, Ranma
1991
RG Veda
Voice of Ryuu-Ou
1990
Violence Jack: Hell's Wind-hen
Voice of Tenma, Saburo
1990
Lodoss-tou Senki
Voice of Etoh
1990
Kyattou Ninden Teyandee
Voice of Yattarou
1989
Ranma ½
Theme Song PerformanceVoice of Saotome, Ranma
1979
Ginga Tetsudou 999 (Movie)
Voice of Ooyama, Tochirou
N/A
Shouwa Genroku Rakugo Shinjuu: Yotarou Hourou-hen
Voice of Amaken
N/A
Death Note: Rewrite
Voice of Lawliet, L
N/A
One Piece: Nenmatsu Tokubetsu Kikaku! Mugiwara no Luffy Oyabun Torimonochou
Voice of Usopp
N/A
One Piece Movie 08: Episode of Alabasta - Sabaku no Oujo to Kaizoku-tachi
Voice of Usopp
N/A
One Piece: Jango no Dance Carnival
Voice of Usopp
N/A
One Piece: Yume no Soccer Ou!
Voice of Usopp
N/A
One Piece: Mezase! Kaizoku Yakyuu Ou
Voice of Usopp
N/A
One Piece Movie 09: Episode of Chopper Plus - Fuyu ni Saku, Kiseki no Sakura
Voice of Usopp
N/A
One Piece Film: Strong World
Voice of Usopp
N/A
One Piece: Romance Dawn Story
Voice of Usopp
N/A
One Piece Recap
Voice of Usopp
N/A
One Piece 3D: Mugiwara Chase
Voice of Usopp
N/A
One Piece 3D: Gekisou! Trap Coaster
Voice of Usopp
N/A
One Piece Film: Z
Voice of Usopp
N/A
One Piece: Episode of Nami - Koukaishi no Namida to Nakama no Kizuna
Voice of Usopp
N/A
One Piece: Episode of Luffy - Hand Island no Bouken
Voice of Usopp
N/A
One Piece: Glorious Island
Voice of Usopp
N/A
One Piece: Episode of Merry - Mou Hitori no Nakama no Monogatari
Voice of Usopp
N/A
Nissan Serena x One Piece 3D: Mugiwara Chase - Sennyuu!! Sauzando Sunny-gou
Voice of Usopp
N/A
Kyutai Panic Adventure Returns!
Voice of Usopp
N/A
InuYasha: Kuroi Tessaiga
Voice of Inuyasha
N/A
Ranma ½: Akumu! Shunmin Kou
Voice of InuyashaVoice of Saotome, Ranma
N/A
It's a Rumic World: 50th Anniversary Weekly★Shonen Sunday
Voice of InuyashaVoice of Saotome, Ranma
N/A
Urusei Yatsura: The Shougaibutsu Suieitaikai
Voice of Inuyasha
N/A
InuYasha: Kanketsu-hen
Voice of Inuyasha
N/A
Meitantei Conan Movie 09: Suihei Senjou no Strategy
Voice of Edogawa, Conan
N/A
Meitantei Conan Movie 10: Tantei-tachi no Requiem
Voice of Edogawa, ConanVoice of Kuroba, Kaito
N/A
Meitantei Conan Movie 11: Konpeki no Jolly Roger
Voice of Edogawa, Conan
N/A
Meitantei Conan OVA 02: 16-nin no Yougisha!?
Voice of Edogawa, Conan
N/A
Meitantei Conan OVA 03: Conan to Heiji to Kieta Shounen
Voice of Edogawa, Conan
N/A
Meitantei Conan OVA 04: Conan to Kid to Crystal Mother
Voice of Edogawa, ConanVoice of Kuroba, Kaito
N/A
Meitantei Conan OVA 05: Target wa Kogorou!! Shounen Tanteidan Maruhi Report
Voice of Edogawa, Conan
N/A
Meitantei Conan OVA 07: Agasa kara no Chousenjou! Agasa vs Conan & Shounen Tanteidan
Voice of Edogawa, Conan
N/A
Meitantei Conan Movie 12: Senritsu no Full Score
Voice of Edogawa, Conan
N/A
Meitantei Conan Magic File 2: Kudou Shinichi Nazo no Kabe to Kuro Lab Jiken
Voice of Edogawa, Conan
N/A
Meitantei Conan Movie 13: Shikkoku no Chaser
Voice of Edogawa, Conan
N/A
Lupin III vs. Meitantei Conan
Voice of Edogawa, Conan
N/A
Meitantei Conan OVA 08: Joshikousei Tantei Suzuki Sonoko no Jikenbo
Voice of Edogawa, Conan
N/A
Meitantei Conan Magic File 3: Shinichi to Ran Mahjong Pai to Tanabata no Omoide
Voice of Edogawa, Conan
N/A
Meitantei Conan OVA 09: 10-nengo no Stranger
Voice of Edogawa, Conan
N/A
Meitantei Conan Movie 14: Tenkuu no Lost Ship
Voice of Edogawa, ConanVoice of Kuroba, Kaito
N/A
Meitantei Conan: Kuro no Soshiki to Taiketsu no Rekishi
Voice of Edogawa, Conan
N/A
Magic Kaito
Voice of Edogawa, ConanVoice of Kuroba, Kaito
N/A
Meitantei Conan Magic File 4: Osaka Okonomiyaki Odyssey
Voice of Edogawa, Conan
N/A
Meitantei Conan OVA 10: Kid in Trap Island
Voice of Edogawa, ConanVoice of Kuroba, Kaito
N/A
Meitantei Conan Movie 15: Chinmoku no Quarter
Voice of Edogawa, Conan
N/A
Meitantei Conan Magic File 5: Niigata - Tokyo Omiyage Capriccio
Voice of Edogawa, Conan
N/A
Meitantei Conan OVA 11: London kara no Maru Hi Shirei
Voice of Edogawa, Conan
N/A
Meitantei Conan vs. Wooo
Voice of Edogawa, Conan
N/A
Meitantei Conan Movie 16: 11-ninme no Striker
Voice of Edogawa, Conan
N/A
Meitantei Conan Bonus File: Fantasista no Hana
Voice of Edogawa, Conan
N/A
Meitantei Conan OVA 12: Excalibur no Kiseki
Voice of Edogawa, Conan
N/A
Meitantei Conan Movie 17: Zekkai no Private Eye
Voice of Edogawa, Conan
N/A
Lupin III vs. Meitantei Conan: The Movie
Voice of Edogawa, ConanVoice of Kuroba, Kaito
N/A
Meitantei Conan Movie 18: Ijigen no Sniper
Voice of Edogawa, Conan
N/A
Edogawa Conan Shissou Jiken: Shijou Saiaku no Futsukakan
Voice of Edogawa, Conan
N/A
Meitantei Conan: Toubousha Mouri Kogorou
Voice of Edogawa, Conan
N/A
Magic Kaito 1412
Voice of Edogawa, ConanVoice of Kuroba, Kaito
N/A
Meitantei Conan Movie 19: Gouka no Himawari
Voice of Edogawa, ConanVoice of Kuroba, Kaito
N/A
Meitantei Conan: Kinga Shinnen Mouri Kogorou
Voice of Edogawa, Conan
N/A
Ranma ½: Nettou Uta Gassen
Voice of Saotome, Ranma
N/A
Ranma ½: Tendou-ke no Oyobidenai Yatsura!
Voice of Saotome, Ranma
N/A
Ranma ½: DoCo Music Video
Voice of Saotome, Ranma
N/A
Gokinjo Monogatari the Movie
Voice of Yamaguchi, Tsutomu
N/A
Meitantei Conan Movie 08: Ginyoku no Time Travel Recap
Voice of Kuroba, Kaito
N/A
Tokyo Babylon: Vision
Voice of Sumeragi, Subaru
N/A
Herlock Saga: Nibelung no Yubiwa
Voice of Ooyama, Tochirou
N/A
Cosmo Warrior Zero
Voice of Ooyama, Tochirou
N/A
Gun Frontier
Voice of Ooyama, Tochirou
N/A
Waga Seishun no Arcadia
Voice of Ooyama, Tochirou
N/A
Waga Seishun no Arcadia: Mugen Kidou SSX
Voice of Ooyama, Tochirou
N/A
Queen Emeraldas
Voice of Ooyama, Tochirou
N/A
Young Herlock wo Oe! Cosmo Warrior Zero Gaiden
Voice of Ooyama, Tochirou
N/A
Sensei no Ojikan: Dokidoki School Hours OVA
Voice of Suetake, Kenta