Zero Day' star Lizzy Caplan on that huge finale twist, sparring with Robert De Niro, what Jesse Plemons' Roger means to Alex ...

"I love a political thriller. I really love being in New York," she added. "So it was as close to a no brainer as you can get ...

Angela Bassett, Joan Allen and Jesse Plemons co-star in this drama in which all technology in the U.S. shuts down.