The creative director at the Sterling Cooper Advertising Agency who makes the plays in the boardroom and the bedroom as he struggles to stay a step ahead of the rapidly changing times, the young executives nipping at his heels and the entanglements in his personal life.
Before starring in "Mad Men", Jon Hamm appeared in such shows as "The Unit", "What About Brian" and "Related."

The cool and composed partner of the dynamic Sterling Cooper Advertising Agency. His father, who lived and died young, started the agency. Roger's cynical energy makes him the consummate ad man.
Veteran TV, film and stage actor John Slattery recently starred in "Flags of Our Fathers" and "Desperate Housewives."

The young, ambitious and potentially reckless account executive whose drive to succeed may include sabotaging Don Draper at the Sterling Cooper Advertising Agency. Don should be ever vigilant in watching his own back or he might find Pete has left quite a few knives in it.
Vincent Kartheiser, having appeared in numerous TV shows, is best known for his recurring role in "Angel."

A suburban wife and mother to two children. As with many women of this post-World War II era, Betty is a ‘proper' housewife whose life, on the surface, belies the emotional undercurrents of her personal life.
January Jones began her career as a model and most recently starred in 2006's "We Are Marshall."

She is a top secretary at the Sterling Cooper agency. As a smart modern professional, she is gifted at playing office politics and not intimidated to take the fastest route to success at the agency.
Christina Hendricks got her big break in Showtime's "Beggars and Choosers" before starring in "Kevin Hill."

A neophyte to office politics and the latest addition to the steno pool as Don Draper's assistant. Peggy's naiveté and willingness to learn the ropes at her new job may create more problems than she's willing or capable of handling. But like everyone else at the Sterling Cooper Agency, she's ambitious and driven to succeed
Elisabeth Moss, nominated for her work in the indie film, "Virgin" (2003), has appeared in several critically acclaimed films.

The art director at the dynamic Sterling Cooper Advertising Agency. Of Italian descent, Salvatore tries to be "one of the guys" in the predominantly WASPy corporate structure. But Salvatore is used to hiding, or at least masking the truth, in order to fit in and succeed on Madison Avenue.
Bryan Batt, a Broadway actor and designer, has starred in such hits as "Sunset Blvd." and "Cats."

The "Cooper" in the masthead of the Sterling Cooper Advertising Agency. Bertram is the founding partner of the agency he runs with Roger Sterling. Vying for the most lucrative accounts, the Sterling Cooper Agency runs the gamut of clients, from cigarettes to politicians.
Robert Morse has won two Tony Awards: in 1962, as Best Actor for "How to Succeed in Business Without Really Trying," and in 1990 as Best Actor (Play) for "Tru," a one-man show in which he played Truman Capote

A copy writer at the Sterling Cooper Advertising Agency.
Michael Gladis spent the past seven years in New York City, performing on stage and in film.

An account executive at the Sterling Cooper Advertising Agency,
Aaron Staton made his Broadway debut in "Mamma Mia" before starring in the upcoming film, "The Nanny Diaries."

A smart and ambitious art illustrator who is involved in an illicit relationship. Midge is a thoroughly independent career woman during a pivotal time in America when multitudes of women were venturing into fulltime careers, stepping away from traditional household roles, and ultimately, defining a new set of rules for themselves.
Rosemarie DeWitt is best known for her role as FBI Agent Emily Lehman in the FOX series "Standoff."

Wife to Roger Sterling. To be a good wife to a top corporate executive, she must also succeed as a socialite, lending her deft social skills to promote her husband's interests outside the office.
Daughter of actors Martin Balsam and Joyce Van Patten. Married husband John Slattery on island of Kauia, Hawaii in 1998.

The head of her family-owned department store and seeking to hire an advertising agency. Upon meeting Sterling Cooper's creative director Don Draper, Rachel and Don have a an immediate love/hate effect on each other. But their professional commonalities, more than their differences, may prove to be a successful merging of interests.
Bred in Off-Broadway plays, Maggie Siff appeared in the recent plays "Frank's Home" and "Ruby Sunrise."