In the series, set in a fictional 1960s advertising agency, he plays a suave, married advertising executive with an obscure past.Alan Taylor and Mad Men creator Matthew Weiner initially thought Hamm was too handsome for the role but ultimately decided, "it was perfect to cast sort of the perfect male in this part".During 2013, American Airlines debuted a television commercial titled "Change is in the Air", featuring Hamm's voice-over.Hamm is an American Airlines frequent flier, and his Mad Men character Don Draper often spoke of aspiring to win such accounts as American Airlines.Jon Hamm and Dakota Johnson are not dating, despite a report speculating on the nature of their relationship.Because the two were seen out together for the second time this year, a tabloid newspaper jumped to the conclusion that a romance might be “blossoming.” But Gossip Cop is exclusively told that’s not the case.In an interview discussion about his relationship with Westfeldt, Hamm said: "We may not have a piece of paper that says we're husband and wife, but after 10 years, Jennifer is more than just a girlfriend. To me, people get married when they're ready to have kids, which I'm not ruling out." Hamm also narrates the Amazon NFL documentary series All Or Nothing since 2015.
The next year, he had a minor role in the independent comedy, Kissing Jessica Stein (2001).
He provided his voice to the animated movie Shrek Forever After during 2010, and during 2015, he featured in the animated movie Minions.
where he was a member of the Upsilon Chapter of Sigma Nu fraternity.
There, Hamm was arrested for participating with a violent hazing incident in November 1990.
Mark Sanders was beaten with a paddle and a broom by other fraternity members, while Hamm was leading him with a hammer claw around Sander's testicles around the fraternity house; Sanders' clothes were also set afire.