Christina Hendricks has played office manager Joan Harris for six seasons on "Mad Men."
In real life, the 37-year-old is married to actor Geoffrey Arend and has said their home life is "like a musical."
Vincent Kartheiser plays sneaky Pete Campbell on the AMC show.
The 33-year-old actor just got engaged to his season 5 "Mad Men" co-star, "Gilmore Girls" actress Alexis Bledel, with whom he had an affair on the show.
Alison Brie plays Pete Campbell's wife, Trudy Campbell.
The 30-year-old actress also plays Annie Edison on NBC "Community" and starred in 2011's "Scream 4."
January Jones plays Don Draper's bitter ex-wife and mother of his two children, Betty Draper.
The 35-year-old is a single mother to one-year-old Xander in real life. She has been romantically linked to Jason Sudeikis, Josh Groban, Ashton Kutcher and most recently Liam Hemsworth.
Kiernan Shipka has played Don and Betty Draper's trouble-causing daughter Sally.
The 13-year-old Chicago-native cites Grace Kelly as her inspiration.
Actor Aaron Staton plays ad man Ken Cosgrove.
In real life, the 32-year-old actor has been married to actress Connie Fletcher since 2006 and plays Cole Phelps in the video game "L.A. Noire."
Rich Sommer has played Harry Crane for 65 episodes.
The 35-year-old Minnesota native is married with two children. Outside of the AMC series, he is best known for playing Anne Hathaway's friend Doug in "The Devil Wears Prada."
Elisabeth Moss plays hardworking Peggy Olson.
The 30-year-old divorced comedian Fred Armisen last year and before "Mad Men," played the president's daughter on "The West Wing."
John Slattery plays Roger Sterling, the bold-talking boss at Sterling Cooper Draper Pryce.
The married 50-year-old actor and father of one has also appeared on "Sex & The City," "Desperate Housewives," and "Will & Grace," among other popular TV shows.
Jon Hamm plays lead character, Don Draper.
The 42-year-old actor brought his longtime girlfriend, Jennifer Westfeldt, to the season 6 premiere of "Mad Men." He has received 8 Emmy nominations for his acting on the AMC show and "30 Rock."
Jessica Paré plays Don Draper's secretary-turned-third and most recent wife, Megan Draper.
The 32-year-old bilingual French Canadian actress also appeared in "Hot Tub Time Machine."
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