If you've seen any zombie film, the flesh-craving creatures of AMC's 
The Walking  Dead aren't exactly novel.
That's not to say that makeup and  special effects wizard Gregory Nicotero hasn't seriously outdone himself. Or  that being caught on a city block surrounded by hundreds of soulless, hungry  ghouls isn't terrifying. It's just that this story is about more than delivering  a few scares.
"The most compelling part of the series is how emotionally  involved you become in these characters' lives," executive producer 
Gale Anne  Hurd (
Terminator, Aliens) tells TVGuide.com. "Even though I've read  all the scripts and was there when it was shot, I still find myself becoming  surprisingly emotional in almost every episode over something the characters are  having to endure. To me, that is unexpected and remarkable."
That idea  was paramount for Hurd's collaborator, writer-producer-director 
Frank  Darabont, who tried for years to get an adaptation 
Robert  Kirman's beloved series of comic books off the ground. It was Darabont's  gift for emotional, character-driven storytelling that appealed to  Kirkman.
"I had one guy pitch me super-zombies," Kirkman, who is an  executive producer on the show and wrote one of the six Season 1 episodes, says  with a laugh. "He thought it would be really cool if they could throw cars and  stuff, and I was like, 'What are you talking about?' When Frank came along, it  was a very quick, very simple conversation. I wanted something that has the  emotion of 
The Shawshank Redemption and was a serious character study  but also had zombies."
That's all front and center in Darabont's  90-minute pilot. After being shot and slipping into a coma, Deputy Sherriff Rick  Grimes (
Andrew  Lincoln) wakes up in a deserted hospital in the aftermath of a zombie  apocalypse. He soon finds another survivor (
Lennie James)  and his son, who fill in the gaps and send Rick toward Atlanta, where he hopes  to find his own wife, Lori (
Sarah Wayne  Callies), and son, Carl (
Chandler  Riggs) at a survivor's camp led by Rick's partner and best friend, Shane (
John  Bernthal).
But along the way, Rick meets a zombie who has lost the  lower half of her body. Rick is rightly terrified at first, but before the  episode is over, he looks at the zombie with compassion. "Leave it to Frank to  find a way to find a redemptive, compassionate human spirit in the midst of a  story about an undead apocalypse," Callies says.
But if you're looking  for action and gore, there's plenty of that to go around. And like many of  George A. Romero's classic zombie films, the horror works as an analogy to  today's social climate. "Right now the world is a frightening place," Hurd says.  "People are concerned about the global financial collapse. Every year, there's a  hurricane like Katrina or an earthquake in Haiti or even the H1N1 flu epidemic.  I think we really feel like we're a civilization on the brink. Through this  series we can explore the notion of, if everything comes crumbling down, how are  we going to survive? What are the new rules going to be?"
So how does  Rick Grimes fit into a TV landscape that caters to antiheroes? "There's a great  quote, 'A hero is a man that does what he can,'" Lincoln says. "If that's the  case, then Rick certainly is a hero. He's a guy that keeps getting pushed into  situations and somehow keeps coming up with the goods."
But Rick's  decisions may not always turn out to be so noble, making him and his fellow  survivors a perfect fit for a network that also features morally ambiguous  characters like 
Mad Men's Don Draper and 
Breaking Bad's Walter  White.
"When he starts doing bad things for a good cause, you're so fully  invested in what he's doing, that it's still very heroic," Kirkman says. "He is  able to push those limits so that he is able to go the extra mile to sacrifice  his humanity to save the people around him. It really becomes a case of him  really giving himself over to this world and doing whatever it takes to keep  everyone around him safe. And while it does seem like he's doing the wrong  thing, I think there's nothing more heroic than that sacrifice."
But the  fight for survival perhaps poses a bigger question: Is a civilization devoid of  basic humanity worth saving? Might we become just as soulless as the zombies?  
"There are moments when we are behaving much more like animals than  people," Callies says. "The changes that have been wrought in these people's  bones and marrow and blood are so huge, they don't recognize it. I don't think  they recognize themselves."
The Walking Dead premieres Sunday at  10/9c on AMC.