
Quick answer — Michihiro Ikemizu voices Isao Oota in Mobile Police Patlabor, Nicolas de la Motte Taii in Lady Oscar: The Rose of Versailles, Akkuman in Dragon Ball and 4 more characters.
Michihiro Ikemizu voices Isao Oota (Mobile Police Patlabor), Nicolas de la Motte Taii (Lady Oscar: The Rose of Versailles), Akkuman (Dragon Ball), Jonathan Washington (Gunsmith Cats), Bowman (Area 88), Tessai (Samurai 7), Takuma Zaizen (Witch Hunter ROBIN).
Isao Oota is voiced in Japanese by Michihiro Ikemizu.