John Slattery presents at the 2010 NHL Awards Show at The Palms Casino Resort on June 23, 2010, in Las Vegas. Slattery is nominated for a 2010 Primetime Emmy in the Outstanding Supporting Actor in a Drama Series category for his work on "Mad Men." It's his third consecutive nomination for the role.
Credit: Jacob Andrzejczak/Getty Images for NHL
Actor John Slattery arrives at the Hollywood Foreign Press Association's Installation Luncheon held at The Four Seasons Hotel on July 28, 2010, in Beverly Hills, Calif.
Credit: Kevin Winter/Getty Images
John Slattery stars as the chain-smoking womanizer Roger Sterling, a partner in the Sterling Cooper Draper Pryce advertising agency, on the AMC drama "Mad Men." A veteran of TV, film and the stage, Slattery's recent film credits include in "Flags of Our Fathers," "Charlie Wilson's War" and "Iron Man 2."
Credit: AMC/Doug Hyun
"Mad Men" co-stars Elisabeth Moss, left, Christina Hendricks and John Slattery are seen at the set of "Mad Men" at the Los Angeles Center Studios in Los Angeles on Thursday, July 17, 2008. All three received 2010 Emmy nominations for their work on the show.
Credit: AP Photo
Actor John Slattery, right, confers with director Andrew Bernstein on the set of "Mad Men," at the Los Angeles Center Studios in Los Angeles on July 17, 2008. Slattery is a married to actress Talia Balsam, who played his ex-wife, Mona, on "Mad Men."
Credit: AP Photo
Emmy nominees Jon Hamm, left, and John Slattery, right, pose for a photograph at a private preview screening of "Mad Men" season two at the Museum of Modern Art in New York, Monday, June, 16, 2008.
Credit: AP Photo/AMC, Stuart Ramson
Remember when Carrie Bradshaw got carried away with the congressman? Here, Sarah Jessica Parker as Carrie and John Slattery as her former boyfriend Bill Kelley are seen on HBO's "Sex and the City."
Credit: Paramount Pictures/Newsmakers
Slattery stuck to politics during his stint on "Desperate Housewives" in 2007, playing mayoral candidate Victor Lang. Over the years, he has appeared such shows as "Judging Amy," "Ed" and "Will and Grace."
Victor Lang won the election and the affections of Gabrielle Solis, played by Eva Longoria. Their marriage was short-lived, and Slattery's character is killed. During a fight with Gabrielle's ex, a fence post impales him through the chest.
Actors John Slattery, left, and Mary McCormack at the premiere of "K Street" Friday, Sept. 12, 2003, in Washington. The short-lived series looked at political consultants with fictional characters and real-life politicians.