: Unlike many dubs that change actors between films, the core trio—Harry, Ron, and Hermione—retained their original voice cast throughout the entire decade of film releases.
: Most reviews on Best Buy and fan forums describe the audio quality as "very good," with the emotional weight of scenes hitting just as hard as in the English version.
Look for the audio option labeled 「日本語吹替」 (Japanese Dubbing). Often, the default will be English 5.1 or Japanese subtitles.