Mark Sheppard

It's a fascinating job, to come in and be the most interesting person in an episode. Whoever the guest star is, that's the job - to maintain the interest and the focus for that 42 minutes or whatever, and it should be a huge relief to those people that are the leads in the shows.

I always loved strange stories like the Dr. Seuss stuff. 'Go, Dog. Go!' was one of my favorite stories - it still is. It's just such a bizarre yet true book. And I did well reading and writing as a kid throughout school. I think early on that's what made me realize what an advantage that is.