
Quick answer — Yasuhiro Kikuchi voices Sasaki in My Happy Marriage Season 2, Zenta Todaira in In/Spectre 2, Guas in The Warrior Princess and the Barbaric King and 2 more characters.
Yasuhiro Kikuchi voices Sasaki (My Happy Marriage Season 2), Zenta Todaira (In/Spectre 2), Guas (The Warrior Princess and the Barbaric King), Leroy Smith (Tekken: Bloodline), Castal Harol (Fairy gone).
Sasaki is voiced in Japanese by Yasuhiro Kikuchi.