
Detective Conan: The Counterfeit Case of Ultra 30
2026 · 6.4/10
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Actor · born 23 May 1965 · Fukuoka, Fukuoka, Japan
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.
Where to start: The Boy and the Beast (2015).

2026 · 6.4/10
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2026 · 10.0/10
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2026 · 7.4/10
New
2026 · 7.7/10
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2026 · 8.8/10
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2025
New
2025 · 7.7/10
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2025
New
2025 · 7.2/10
Worth the Hype
2024 · 8.8/10
New
2024 · 6.9/10
Popcorn Flick
2024 · 6.4/10
New
2023 · 7.1/10
Worth the Hype
2023 · 6.7/10
New
2022 · 7.2/10
Worth the Hype
2022 · 6.5/10
Popcorn Flick
2022 · 6.3/10
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2021 · 7.3/10
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2021 · 6.5/10
Popcorn Flick
2019 · 7.0/10
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2019 · 9.0/10
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2019 · 6.2/10
Popcorn Flick
2019 · 7.8/10
Worth the Hype
2018
New
2018 · 7.1/10
Worth the Hype
2018 · 6.1/10
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2018 · 6.2/10
Popcorn Flick
2018 · 5.0/10
New
2017 · 7.0/10
Worth the Hype
2017 · 7.7/10
Worth the Hype
2017 · 6.5/10
Popcorn Flick
2017 · 6.0/10
New
2017 · 7.6/10
Worth the Hype
2016 · 7.0/10
New
2016 · 7.2/10
Worth the Hype
2016 · 7.4/10
Worth the Hype
2016 · 6.7/10
New
2016 · 6.8/10
Popcorn Flick
2016 · 8.2/10
New
2015 · 7.6/10
Worth the Hype
2015 · 7.0/10
Worth the Hype
2015 · 7.9/10
Absolute Cinema
2015 · 7.0/10
New
2015 · 7.5/10
New
2015 · 6.6/10
New
2015 · 6.2/10
Popcorn Flick
2015 · 7.1/10
Worth the Hype
2015 · 6.9/10
New
2014 · 8.0/10
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2014
New
2014 · 7.1/10
Worth the Hype
2014 · 7.0/10
New
2014 · 6.8/10
Popcorn Flick
2014 · 7.1/10
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2014 · 6.3/10
New
2014 · 6.8/10
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2013 · 6.9/10
Popcorn Flick
2013 · 7.1/10
Worth the Hype
2013 · 6.6/10
Popcorn Flick
2013
New
TV · 2026 · 9.0/10
New
TV · 2025 · 7.7/10
New
TV · 2024 · 9.0/10
New
TV · 2024 · 8.1/10
Absolute Cinema
TV · 2024 · 7.1/10
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TV · 2024 · 7.4/10
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TV · 2023 · 8.9/10
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TV · 2022 · 6.8/10
Popcorn Flick
TV · 2022 · 5.6/10
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TV · 2021 · 7.8/10
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TV · 2021
New
TV · 2021 · 8.2/10
Absolute Cinema
TV · 2021 · 10.0/10
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TV · 2020 · 6.3/10
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TV · 2020 · 8.6/10
Absolute Cinema
TV · 2020 · 8.3/10
Absolute Cinema
TV · 2020 · 7.5/10
Worth the Hype
TV · 2019 · 8.5/10
Absolute Cinema
TV · 2019 · 6.5/10
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TV · 2018 · 7.2/10
Worth the Hype
TV · 2018 · 7.6/10
Worth the Hype
TV · 2018 · 7.1/10
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TV · 2017 · 8.4/10
Absolute Cinema
TV · 2017 · 5.0/10
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TV · 2016 · 9.0/10
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TV · 2016 · 8.0/10
Absolute Cinema
TV · 2015 · 6.3/10
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TV · 2015 · 7.4/10
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TV · 2014 · 7.9/10
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TV · 2014 · 5.6/10
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TV · 2014 · 7.4/10
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TV · 2014 · 7.1/10
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TV · 2014
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TV · 2014 · 7.4/10
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TV · 2013 · 7.6/10
Worth the Hype
TV · 2012 · 8.6/10
Absolute Cinema
TV · 2012 · 7.0/10
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TV · 2011 · 7.5/10
Worth the Hype
TV · 2011 · 5.9/10
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TV · 2011 · 8.7/10
Absolute CinemaBy viewer score, The Boy and the Beast (2015) at 7.9/10.
Kiki's Delivery Service, The Boy and the Beast, One Piece Film Red.
207 films on TMDB, 207 as actor.