Kate Mara can understand your lingering shock over "House of Cards'" big Season 2 twist.

"I can't really believe it happened either," said the actress during an appearance on "Live with Kelly and Michael" Thursday morning.

Even more shocking? Mara (who plays investigative reporter Zoe Barnes on the Netflix drama) knew about the earth-shaking development for a full two years. So how did she manage to keep it a secret?

"It's hard. I just had to be really creative with people sort of asking me how things are going on the show, and I just sort of like [makes pained expression]," she said. "I was being paid to lie."

You can watch the full, spoiler-free interview below (the "House of Cards" portion starts about 3 minutes in):

A former contributor to sites including MTV's The Backlot and Bloody-Disgusting, Chris Eggertsen worked in film development before indulging his love of pop culture writing full time. He specializes in horror, the intersection of social issues and entertainment and Howard Stern. He's on Twitter @HitFixChris.