AdvertisementFrom The Ivy League To 'The X-Files': David Duchovny's Big BreakPlay04:27Download AudioFebruary 01, 2015Becky SullivanfacebookEmailDavid Duchovny says The X-Files was his biggest break — not because it was successful but because that's where he went from youthful ambition to an adult understanding of what it means to work. (Getty Images)