Austin Abrams started acting in the show The Walking Dead before 2015 .
Austin Abrams ( born September 2 , 1996 ) is an American actor , known for playing Pete in Gangster Squad ( 2013 ) , Aaron in The Kings of Summer ( 2013 ) , Ben Starling in Paper Towns ( 2015 ) , and Ron Anderson in The Walking Dead ( 2014–16 ) .
Austin Abrams