The Walking Dead - Another Norman Reedus Interview

How difficult was it for you to film season two after creator-producer Frank Darabont was suddenly fired?
I’ll probably never know what happened, to be honest with you. They don’t really tell us exactly what went down. But we all came to Georgia to work with Frank. That was our plan. We all love Frank, and Frank loves his actors. And we still have a close bond with Frank. [New showrunner] Glen Mazzara was handpicked by Frank to be his number-two. So we were always working with Glen. When he took the job, he had a very open-door policy with us. If anything, this brought an already close cast even closer together.

Last week, Vulture spoke with Walking Dead producer Gale Anne Hurd about how considerably Daryl has changed.
The second season you get a lot of backstory about Daryl. He’s still sad—he’s still a little brother to somebody [who’s missing]. So I’m trying to play him like that. You see him on a kind of one-man mission to do something for reasons other than the obvious reasons. Secrets are revealed, and you’re gonna feel very sad for Daryl. He’s probably going to become an underdog that you root for.

Will Daryl and his missing, one-handed brother, Merle, reunite at some point?
Of course … [interrupts himself] wow, I’m looking at the giant video screen outside of Madison Square Garden, and it just flashed zombies and The Walking Dead on it. That’s rad! Where was I? You will see Daryl and Merle stuff eventually, but I can’t tell you anything about that. That’s a story point. But sooner or later, it’s got to happen.

Source: Full interview @ Vulture