Quick answer — Sumiko Fuji voices Sakae Jinnouchi in Summer Wars, Dede in Children of the Sea.
Characters voiced by Sumiko Fuji
OP
Akihiko Matsumoto - "Summer Wars"
ED
Bokura no natsu no yume #vietsub #natsu #anime
Frequently Asked Questions
What characters does Sumiko Fuji voice?
Sumiko Fuji voices Sakae Jinnouchi (Summer Wars), Dede (Children of the Sea).
Who voices Sakae Jinnouchi in Summer Wars?
Sakae Jinnouchi is voiced in Japanese by Sumiko Fuji.