Mad Men takes outstanding drama while 30 Rock steals outstanding comedy.
CBS makes the announcement via Twitter.
Actor-writer Mike White is among the contestants this season.
The 13th season takes off September 28.
Although the 11th season slid in ratings, the current season is doing much better.
CBS has agreed to bring the reality show back for another year.
The five-time Emmy Award-winning reality adventure series premieres November 4.
The CBS reality competition series replaces the cancelled Viva Las Vegas.