
Quick answer — Haruhiko Jo voices Sergei Ovchinnikov in Detective Conan: The Last Wizard of the Century, Glark Grommash in The Legend of Heroes: Trails of Cold Steel - Northern War, Kyoukou in THE RIBBON HERO.
Haruhiko Jo voices Sergei Ovchinnikov (Detective Conan: The Last Wizard of the Century), Glark Grommash (The Legend of Heroes: Trails of Cold Steel - Northern War), Kyoukou (THE RIBBON HERO).
Sergei Ovchinnikov is voiced in Japanese by Haruhiko Jo.