Mad Men star John Slattery revealed that the show creator Matthew Weiner strictly prohibits any kind of improvisation on the ...

Mad Men is built up of a macrocosm of unforgettable scenes and witty one-liners and one of them has to be John Slattery's ...

John Slattery put in his time playing Roger Sterling with impeccable taste and timing on Mad Men, but what’s next for him? Slattery has his name penciled into two projects with different audiences.

From Thaddeus Ross to War Machine, several characters in the Marvel Cinematic Universe have been recast with a new face for ...

Jon Hamm steps into Chevy Chase's shoes and reunites with John Slattery in Confess, Fletch first look Mad Men stars Jon Hamm and John Slattery to reunite in Fletch reboot ...

Mr. Slattery brings over three decades of aviation expertise including founding and scaling two of the leading global aviation finance firms: Avolon and SMBC Aviation Dómhnal rejoins Vertical’s ...

That includes their (semi-)true crime comedy Maggie Moore(s), directed by Hamm's Mad Men co-star (and 30 Rock guest star) John Slattery. Maggie Moore(s) draws loosely on the real-life murders of ...

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 ...