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