Acting
Kappei Yamaguchi
Movies
- One Piece Film Red2022as Usopp (voice)
- One Piece: Adventure of Nebulandia2015as Usopp (voice)
- The Boy and the Beast2015as Teenage Jiromaru (voice)
- Hunter x Hunter: Phantom Rouge2013as Feitan (voice)
- Detective Conan: The Raven Chaser2009as Shinichi Kudo (voice)
- Lupin the Third vs. Detective Conan2009as Shinichi Kudo (voice)
- Death Note Relight 2: L's Successors2009as L (voice)
- Detective Conan: Full Score of Fear2008as Shinichi Kudo (voice)
- Death Note Relight 1: Visions of a God2007as L (voice)
- One Piece: The Desert Princess and the Pirates: Adventure in Alabasta2007as Usopp / Lashes (voice)
- Detective Conan: The Private Eyes' Requiem2006as Shinichi Kudo (voice) / Kaito Kuroba (voice)
- One Piece: Giant Mecha Soldier of Karakuri Castle2006as Usopp (voice)
- Detective Conan: Strategy Above the Depths2005as Shinichi Kudou (voice)
- One Piece: Baron Omatsuri and the Secret Island2005as Usopp (voice)
- Detective Conan: Magician of the Silver Sky2004as Kaito Kid / Shinichi Kudou (voice)
- One Piece: Curse of the Sacred Sword2004as Usopp (voice)
- Detective Conan: Crossroad in the Ancient Capital2003as Shinichi Kudo (voice)
- One Piece: Dead End Adventure2003as Usopp (voice)
- Inuyasha the Movie 2: The Castle Beyond the Looking Glass2002as Inuyasha (voice)
- Detective Conan: The Phantom of Baker Street2002as Shinichi Kudo (voice)
- One Piece: Chopper's Kingdom on the Island of Strange Animals2002as Usopp (voice)
- Inuyasha the Movie: Affections Touching Across Time2001as Inuyasha (voice)
- Case Closed: Countdown to Heaven2001as Shinichi Kudo (voice)
- One Piece: Clockwork Island Adventure2001as Usopp (voice)
- Detective Conan: Captured in Her Eyes2000as Shinichi Kudo (voice)
- Detective Conan: The Last Wizard of the Century1999as Shinichi Kudo / Kaito Kuroba (voice)
- Case Closed: The Fourteenth Target1998as Shinichi Kudo (voice)
- Detective Conan: The Time Bombed Skyscraper1997as Shinichi Kudo (voice)
- Ranma 1/2: Team Ranma vs. the Legendary Phoenix1994as Ranma Saotome ♂ (voice)
- Battle Angel1993as Yūgo (voice)
- Ranma 1/2 the Movie 2: Nihao My Concubine1992as Ranma Saotome ♂ (voice)
- Ranma 1/2 the Movie: Big Trouble in Nekonron, China1991as Ranma Saotome ♂ (voice)
- Kiki's Delivery Service1989as Tombo (voice)
Television
- Ranma1/22024Actor
- ODDTAXI2021Actor
- BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense.2020Actor
- Vinland Saga2019Actor
- Super Dragon Ball Heroes2018Actor
- Death Note2006Actor
- Eyeshield 212005Actor
- Yu-Gi-Oh! GX2004Actor
- InuYasha2000Actor
- One Piece1999Actor
- Kamikaze Kaitou Jeanne1999Actor
- Detective Conan1996Actor
- B'T X1996Actor
- Zenki1995Actor
- Captain Tsubasa J1994Actor
- Samurai Pizza Cats1990Actor
- Record of Lodoss War1990Actor
- Nadia: The Secret of Blue Water1990Actor
- Ranma ½1989Actor