By Tobias Carroll Some character actors are known for having amazing comic timing. Others can add abundant gravitas to nearly any role they play. Among talented character actors, Stephen Root stands out in part because of the wide emotional range he’s able to summon up onscreen. He’s currently earning rave reviews for his work on Barry. Others know him from the cult comedy News Radio — but Root’s also memorably played sinister characters in Get Out and The Empty Man. Still, there’s one role that he might be best known for — and a red stapler is involved. His performance as put-upon office work…