Voice acting is very interesting, I've done several animated projects, and you have to make the voice reflect the character and try and do as much with a word as you can with a look in a live-action film.
When you've done the technical part, you're then into the joy, the zen, into being. Technology no longer exists for you. You're then into the mystery of the thing you're doing.
I am not a Starfleet commander, or T.J. Hooker. I don't live on Starship NCC-1701, or own a phaser. And I don't know anybody named Bones, Sulu, or Spock.
We meet aliens every day who have something to give us. They come in the form of people with different opinions.