Valerie's daughter, Lily, plays a small, but important role in Zero Day and contributes to George Mullen's choices throughout his political career.

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 ...

Here’s everything to know about the ‘Zero Day’ cast’s real-life relationships, including Robert De Niro’s girlfriend, Jesse ...