What excites Jake Weber about playing a bad guy on Hell on Wheels? In this video from the Season 4 set, Weber sits down to discuss the various characters he's played over the years and what he enjoys about playing a villain like John Campbell: "He's a nasty piece of work... it's nice to play a guy who's hard." Check out the video now, and don’t forget to mark your calendar for the return of Hell on Wheels Season 4 on November 8.

Hell on Wheels returns Saturday, November 8 at 9/8c on AMC.