VIDEO : Look Who's Joining 'House of Cards' Final Season

The producers of 'House of Cards' are doing their best to make sure fans don't miss Kevin Spacey.
The series final season is coming soon.
Business Insider reports some new stars are joining the cast.
Diane Lane and Kinnear will play powerful siblings inspired by the Koch Brothers: Annette & Bill Shepherd
The Shepard siblings who exert a powerful behind-the-scenes force in politics.
The Shepherds run Shepherd Unlimited, a "leading industrial conglomerate."