<< nfs4
no, it's because he doesn't make the effort to change some crucial aspects. comon compare him to the great actors, he doesn't have range, he always has the same basic accent, intonation, speaking mannerisms etc.
and btw, ron howard will always be richie cunningham, not opie >>
I guess you've never seen Matthew Broderick in the critically acclaimed play The Producers.
He is a great actor who doesn't get enough credit. So what about his voice. Is that all you can critique him on? If that's all, you had better delve deeper.