The Mad Men cast makes a special guest appearance on Katie Couric's show, Katie.
Katie Couric with January Jones, Christina Hendricks, Jessica Pare and Jon Hamm
John Slattery, Vincent Kartheiser and Jon Hamm on Katie
Top Row: Christina Hendricks, Kiernan Shipka, Matthew Weiner, January Jones, Jessica Pare
Bottom Row: John Slattery, Vincent Kartheiser, Katie Couric, Jon Hamm