eb e ▁St role , ▁a ▁Spring ▁Aw ak ening ▁cast mate , ▁and ▁his ▁co - star ▁in ▁the ▁film , ▁and ▁the ▁film ' s ▁star , ▁Steve ▁Co og an . ▁Screen ings ▁of ▁the ▁film ▁at ▁the ▁ 2 0 0 8 ▁Sund ance ▁Film ▁Festival ▁led ▁to ▁Ast in ▁signing ▁on ▁with ▁United ▁Tal ent ▁Agency . ▁ ▁Ast in ▁joined ▁the ▁cast ▁of ▁the ▁ 2 0 0 9 ▁Adam ▁Carol la ▁sit com ▁A ce ▁in ▁the ▁H ole ▁on ▁CBS . ▁However , ▁the ▁show ▁was ▁not ▁picked ▁up ▁by ▁the ▁network . ▁ ▁In ▁ 2 0 1 0 , ▁Ast in ▁took ▁on ▁the ▁role ▁of ▁Mark ▁C ohen ▁in ▁a ▁production ▁of ▁R ent , ▁directed ▁by ▁Neil ▁Patrick ▁Harris , ▁at ▁the ▁Hollywood ▁Bowl . ▁The ▁cast ▁included ▁A aron ▁T ve it ▁and ▁Van essa ▁Hud gens . ▁Also ▁in ▁ 2 0 1 0 , ▁he ▁joined ▁the ▁cast ▁of ▁the ▁J ere ▁Burn s ▁sit com ▁Str ange ▁B rew ▁on ▁Fox , ▁which ▁like ▁A ce ▁in ▁the ▁H ole ▁was ▁not ▁picked ▁up . ▁ ▁Ast in ▁guest - star red ▁as ▁Ben ▁in ▁the ▁July ▁ 2 0 1 1 ▁episode ▁of ▁Love ▁B ites ▁titled ▁" Bo ys ▁to ▁Men " ▁and , ▁as ▁Matt ▁K orn stein , ▁in ▁the ▁May ▁ 2 0 1 2 ▁episode ▁of ▁Girls ▁entitled ▁" H ann ah ' s ▁Di ary ". ▁He ▁also ▁played ▁a