When season four of Dexter premieres on Showtime on September 27, is everyone's favorite serial killer really Living the Dream, as this episode title implies?

He's married. He has an adorable son named Harrison. But he needs to find some time to kill... literally!

Creating both a challenge and a dilemma for Michael C. Hall's character will be the Trinity Killer, a suspected murderer that moves to Miami. Said his portrayer, John Lithgow, last month:

“I’m the only one on set who knows what’s going to happen in the next 12 episodes and it’s a fantastic feeling. I could actually speak two sentences right now that would make this entire building explode... My character has fantastic surprises."

While the photos below don't reveal any of these surprises, or any major Dexter spoilers, they're our first glance at various characters in the fourth season premiere...

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.