John Krasinski secretly wore a wig while playing Jim in season 3 of ‘The Office’

John Krasinski secretly wore a wig while playing Jim in season 3 of ‘The Office’

Jim Halpert was known for the pranks he played on officemate Dwight Schrute. It all started when the actor had the opportunity to star as Carter Rutherford in 2008’s football flick “Leatherheads.” The only thing standing between him and that leading-man role was his Jim Halpert mop top.