I used to wear Clark Kent glasses, ever since I was in college. I used to have those Army-issue glasses, and they used to be those black glasses Clark Kent used to wear. And I wore those for years.

One of the things that I'm realizing is that in voice-over work, you have to actually do more work with your facial muscles and your mouth. You have to kind of exaggerate your pronunciation a little bit more, whereas with live action, you can get away with mumbling sometimes.

I think it's one of those funny things - sometimes you're not really friends with somebody until you've gotten into a good fight, and I think that's the situation with Superman and Batman.

Mark Valley Quotes