
Quick answer — Shousuke Tanihara voices Reshiram in Pokémon the Movie: White—Victini and Zekrom, Naofumi Tokino in The Sky Crawlers.
Shousuke Tanihara voices Reshiram (Pokémon the Movie: White—Victini and Zekrom), Naofumi Tokino (The Sky Crawlers).
Reshiram is voiced in Japanese by Shousuke Tanihara.