You're the first to mention difficulty telling the voices apart. The "me" voice is not very distinctive since it was added last minute for accessibility. I could see mixing up the Wizard and the Rogue, though I did give them some variety in pitch, tone, and mannerisms. I'm surprised the Sorcerer doesn't stand out since I did give her an accent too (British - basically what I picked up when I lived in Harrogate which is near Yorkshire), but maybe the accent is a little too understated lol.