
Quick answer — Masaaki Yajima voices Cliff Schezar in Trigun, Christoph von Keffenhiller in Legend of the Galactic Heroes Gaiden: Spiral Labyrinth, Minoru Higashiyama in Bartender and 1 more characters.
Masaaki Yajima voices Cliff Schezar (Trigun), Christoph von Keffenhiller (Legend of the Galactic Heroes Gaiden: Spiral Labyrinth), Minoru Higashiyama (Bartender), Junichirou Kumashiro (Occult Academy).
Cliff Schezar is voiced in Japanese by Masaaki Yajima.