Known For
Biography
Rikiya Koyama is a Japanese voice actor affiliated with Haiyuza Theatre Company. Born on December 18, 1963 in Kyoto, Japan, Koyama is known for voicing characters in animated films and series. Their work includes roles in Saint Seiya: Legend of Sanctuary (2014) as Aldebaran and multiple entries in the Detective Conan franchise, such as Detective Conan: The Private Eyes' Requiem (2006) as Acha Ryuu, Detective Conan: Quarter of Silence (2011) as Kogoro Mouri, and upcoming appearances as Kogoro Mouri in Detective Conan: One-Eyed Flashback (2025) and Detective Conan: Fallen Angel of the Highway (2026).
Koyama’s contributions to voice acting span several well-known productions, with recurring roles in the Detective Conan series highlighting their familiarity to audiences. Their involvement in …
Filmography
