"This show is fantasy in that it hasn't happened yet, but I think people are curious," said Scott Wolf. "Behind closed doors a lot of people think that there are other life forms out there and maybe they'll show up."
"I think it's also a possibility that we're introducing something that is potentially out there. For me that's the creepiest element," said actress Morena Baccarin.
The new series, "V," debuts before "Dancing With the Stars" on ABC Tuesday at 8 p.m.