John Slattery John Slattery

In honor of Mad Men's long-awaited return to TV, let's take a look back to where it all began. No, not Season 1. We're talking about the stars of AMC's award-winning series before they hit it big.

VIDEO: Watch Mad Men's Season 4 in two minutes compiled photos of the cast before they glammed it up to travel back in time to the era when scotch and cigarettes in the workplace was the norm. Check out the photos here. Was John Slattery as handsome before he became the Silver Fox?