Slattery played politician Bill Kelley in the beloved HBO show. John Slattery chats with ET about reuniting with Jon Hamm for 'Maggie Moore(s),' out in theaters on June 16. ‘Confess, Fletch ...

Jon Hamm Told a Very Pregnant Amy Poehler to 'Pull It Together' for His SNL Debut Minutes After Learning Her OB/GYN Died Jon Hamm Says He Owes His Career to SNL Creator Lorne Michaels: 'I'll Be ...

Mad Men stars Jon Hamm and John Slattery have reprised their roles of Don Draper and Roger Sterling for a surprise cameo in Unfrosted. The newly-released Netflix movie from Jerry Seinfeld is set ...