When Bob Benson joined "Mad Men" last season, he quickly became one of the show's most enigmatic characters. The drama suddenly became a mystery that made us wonder if Bob was a government spy, time traveler, or simple swindler.
We learned the truth about Bob by the season finale, but there may be more to unravel. The question is whether the actor who plays Bob will be available to do it again. James Wolk is moving on this season to CBS's Robin Williams comedy "The Crazy Ones," in which he again plays an ad executive.