I’ve only watched a handful of anime, so trying to pick a favorite seiyuu (voice actor) is kind of like choosing a favorite singer when you’ve only ever heard five songs. What it comes down to is: whose performance actually made me sit up in my chair take notice?
Nana Mizuki caught my ear when she was the voice of Alois Trancy in Kuroshitsuji II. To be honest, this is the only performance of hers I’ve heard. I enjoyed her acting because she really knows how to expressing suffering and crying. And if you know me well, you know I’m a sucker for tears and crying.
Here’s a good episode to check out her emotiveness:
Just to be clear it is the blond boy with blue eyes she is voicing.