
Quick answer — Shigezou Sasaoka voices Q-Boss in Giant Robo the Animation: The Day the Earth Stood Still, Sekiou in Flame of Recca, Sagat in Street Fighter II: The Animated Movie.
Shigezou Sasaoka voices Q-Boss (Giant Robo the Animation: The Day the Earth Stood Still), Sekiou (Flame of Recca), Sagat (Street Fighter II: The Animated Movie).
Q-Boss is voiced in Japanese by Shigezou Sasaoka.