Did Luffy Voice Actor Change. Here is a list of voice actors who voice characters in the original Japanese anime series for One Piece. Which did not harm Luffy due to his Devil Fruit ability.
As the cast of One Piece has been steadily aging Tanaka briefly touched on the issue of who would voice Luffy after her. People die every time. This is proof in One Piece Stampede where we can hear that Roger voice is completely change.
Why not dig up some DB audio.
When I looked up info on her character on the One Piece wiki I found that during episodes 70-78 she had a different Japanese voice actress Wakana Yamazaki before returning to the previous voice actress Akemi Okamura. Did Luffy voice change. One Piece 2004 TV Show Nico Robin. If they changed Naruto they would probably want to change everyone else.