A Guillermo del Toro movie just wouldn't be the same without the presence of Ron Perlman. And while Ron's Sons of Anarchy co-star Charlie Hunnam is doing most of the heavy lifting in Pacific Rim, Perlman does play an important role. It's one that the actor calls "fractional". We recently caught up with Hellboy himself at the red carpet premiere for Sons of Anarchy Season 5, and it was here that we got Ron to open up about his time on set. Watch our exclusive chat, and learn what you can expect when this sci-fi epic opens in 2013.