Mutsumi Sasaki (佐々木 睦, Sasaki Mutsumi, July 20, 1961) is a Japanese actor and voice actor from Hokkaido. He is 178 cm tall and weighs 67kg. He is affiliated with Engeki Shuudan En. His voice type is high baritone-tenor. His specialty is calligraphy.
Lu Over the Wall
Summer Wars
Winter Days
Ponyo
Mobile Suit Gundam Thunderbolt: December Sky