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Rikiya Koyama (小山 力也 Koyama Rikiya?, born December 18, 1963 in Kyoto) is a Japanese actor and seiyū who is a member of Haiyuza Theatre Company.

He has done popular voicing roles in Hajime no Ippo, Utawarerumono and Kamen no Maid Guy.

He is also known by the nicknames "Rikki" and "Riki-chan".


He graduated from Ritsumeikan University, where he read law, in 1986, and entered Toho Gakuen College and majored in drama. After graduation, he joined the Haiyuza Theatre Company in 1988. His first production with the company was "The Idiot", in which he played the role of a servant. He came to the attention of the public when he was selected at an audition to play the role of Sebastian in "Twelfth Night" directed by Michael Pennington.

Since then, he has appeared in many plays, including "The Merchant of Venice" staged October and November 2005. He played the role of Antonio. The play was performed in the UK, the Netherlands, Romania, and Japan and received a favorable reception.

He played in Japanese TV dramas which dealt with social problems, such as "The School Will Change When the Headmaster Changes" and "Unjust Accusation".

He also does an attractive dubbing for the voice of the pediatrician, Dr. Doug Ross (George Clooney) in the American TV drama "ER", which has been broadcast in Japan since 1996 by NHK (Japan Broadcasting Corporation). This dubbing made him leap to fame in Japan. Since then, he has dubbed all the roles played by George Clooney in films after "Peacemaker" and has also played leading characters in many major plays.

He will also starred in 2010 live-action film, Wonderful World, with fellow voice actors, Mamoru Miyano.[1]

Voice roles

Major roles in bold

Television animation


  • Dogs: Bullets & Carnage (Fuyumine)
  • Full Metal Panic! The Second Raid (Belfangan Grouseaux)
  • Fushigi Yūgi Eikoden (Shu Tendo)
  • Ghost in the Shell: Stand Alone Complex - Individual Eleven (Hideo Kuze)
  • Hajime no Ippo - Mashiba vs. Kimura (Mamoru Takamura)
  • Mahou Sensei Negima: Mō Hitotsu no Sekai (Jack Rakan)
  • The Wings of Rean (Shinjirō Sakomizu)

Theater animation

  • Cowboy Bebop: The Movie (Steve)
  • Hajime no Ippo - Champion Road (Mamoru Takamura)
  • Finding Nemo (Crush the Turtle)
  • Fullmetal Alchemist the Movie: Conqueror of Shamballa (Rudolf Hess)
  • South Park: Bigger Longer & Uncut (Doctor Gouache)
  • Tokyo Godfathers (Bridegroom)
  • Vampire Hunter D: Bloodlust (Public Official)

Video games

  • Ace Combat 6: Fires of Liberation (Marcus "Shamrock" Lampert)
  • Angelique Etoile (Leonard)
  • Daemon Bride (Uriel/Dawn)
  • Detective Conan: Tsuioku no Mirajiyu (Tadaki Kai)
  • Drakengard 2 (Urick)
  • Eat Lead: The Return of Matt Hazard (Matt Hazard)
  • Final Fantasy XII (Basch)
  • Granado Espada (Japanese version) (Nar)
  • Infinite Undiscovery (Kristofor)
  • Jak II (Torn)
  • Metroid: Other M (Adam Malkovich)
  • Musou Orochi: Rebirth of the Demon Lord (Sun Wukong)
  • No More Heroes: Heroes' Paradise (Thunder Ryu)
  • Phantasy Star Universe (Leogini Santosa Berafort)
  • Star Ocean: Second Evolution (Gabriel)
  • Tales of Innocence (Asura)
  • Tales of Vesperia (Duke)
  • Tenchu 4 (Rikimaru)
  • Too Human (Baldr in Japanese dub)
  • Trauma Center: New Blood (Markus Vaughn)
  • White Knight Chronicles (Cyrus)
  • Yakuza 4 (Taiga Saejima)

Dubbing roles

  • 24 (Jack Bauer)
  • Aliens vs. Predator: Requiem (Sheriff Eddie Morales)
  • Ally McBeal (Doctor Greg Butters)
  • The Bone Collector (Lincoln Rhyme)
  • Brotherhood of the Wolf (Mani)
  • Children of Men (Luke)
  • City of Angels (Seth)
  • Constantine (DVD edition) (John Constantine)
  • Crimson Tide (Commander Ron Hunter)
  • Due South (Benton Fraser)
  • ER (Doug Ross)
  • Finding Nemo(Crush)
  • John Q (John Quincy Archibald)
  • K-19: The Widowmaker (Captain Mikhail Polenin)
  • Killing Me Softly (Adam)
  • The Legend of Bagger Vance (Bagger Vance)
  • The Lord of the Rings trilogy (Boromir)
  • The Matrix series (DVD edition) (Neo)
  • Men of Honor (Carl Brashear)
  • Mr. & Mrs. Smith (Eddie)
  • Ocean's trilogy (Danny Ocean)
  • The Peacemaker (Thomas Devoe)
  • Reign of Fire (Quinn)
  • The Siege (Anthony Hubbard)
  • Someone Like You (Eddie Alden)
  • Stealth (Lieutenant Ben Gannon)
  • Swordfish (Stanley Jobson)
  • Team America: World Police (George Clooney)
  • Typhoon (Sin)
  • The Watcher (David Griffin)
  • Without a Trace (Danny Taylor)
  • Resident Evil: Degeneration (Curtis Miller)

Live-action roles

  • Kamen Rider Black RX (Joe of Haze)
  • Tokkei Winspector (Episode 34. Matsuyama)
  • Tokkyuu Shirei Solbrain (Episode 50. Sekine)
  • Tokusou Exceedraft (Episode 21. Dr,Obayashi's assistant)
  • Tokusou Robo Janperson (Episode 19. Takase)
  • Blue SWAT (Episode 16. Toru Harada)
  • Tensou Sentai Goseiger (Derebuta)


  1. "Namikawa Directs 1st Film: Live-Action Wonderful World". December 8, 2009. Anime News Network. (Accessed January 30, 2010).
  2. Oochi, Yoko. "The Official Art of Fate/stay night". (January 2007) Newtype USA. pp. 101-107.

External links

ar:ريكيا كوياما ko:고야마 리키야 it:Rikiya Koyama ms:Rikiya Koyama tl:Rikiya Koyama th:ริกิยะ โคยามะ zh:小山力也