03/23/2012 05:30 pm ET

'Mad Men' Stars Christina Hendricks, John Slattery, And Jon Hamm Before They Were Stars (PHOTOS)

The season premiere of "Mad Men" airs on Sun, Mar. 25, meaning Don Draper (Jon Hamm) will be donning his suit, Roger Sterling's (John Slattery) gray locks will be glistening and Joan Harris (Christina Hendricks) will be slipping into her curve-hugging dresses.

While fans wait with bated breath to see what twists and turns Season 5 of the AMC drama will bring, has uncovered photos of some of the actors and actresses of "Mad Men" before they were famous.

A college photo of John Slattery shows him bearing an impressive mustache before he became a silver fox, while a black-and-white high school shot of Christina Hendricks looks like the woman behind Joan once had goth edge to her.

Check out the photos of Slattery and Hendricks below, and see the entire gallery of "Mad Men" stars at

"Mad Men" premieres on Sun., Mar. 25 at 9 p.m. ET on AMC.