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.

A lot of emotional stress that people go through, some people figure out a way to handle it. They have a strong enough support system to keep going and keep moving forward. And some people, they feel like they don't have that outlet.