Will Arnett is 54 years and 7 month(s) old. He was born in 4 May, 1970. William or Will Emerson Arnett, a Canada based actor, was born on 4th may 1970. Will has an image, of fine performer in comic roles. He worked in many series as a comic actor. Arnett gives voice over for many commercials, animated films, cartoon shows and video games too. Recently, he recorded his voice over for Batman in The Lego Movie.