I'm not arguing that Nimoy wasn't good in 4. But I don't know if he was an actor known specifically for his voice. If you think otherwise, or I'm just wrong, that's cool, but that just gets us back to the issue that I can't think of a woman known for her voice that could get cast for this.
(Except Shohreh Aghdashloo)
Nimoy did have a distinctive voice, especially when he got older. He's instantly recognizable in 4.
I'm not arguing that Nimoy wasn't good in 4. But I don't know if he was an actor known specifically for his voice. If you think otherwise, or I'm just wrong, that's cool, but that just gets us back to the issue that I can't think of a woman known for her voice that could get cast for this. (Except Shohreh Aghdashloo)