Those who watch Mad Men online or on television rarely see Don Draper express the feeling of guilt. Or frustration. Or amazement.
This marketing genius is a pretty even-keeled fella, though we've obviously seen him be drunk and angry.
But in a guest spot Sesame Street this week, Hamm shows off his acting range opposite Murray, teaching this character all about a variety of emotions.
Watch now to see what we mean:
Hamm, meanwhile, faced the emotion of embarrassment recently when a very old clip of him on a dating show hit the Internet a couple weeks ago.
But, as always, the Emmy nominee handled it all with charm and humor.
Laugh at other stars on Sesame Street now:
Benedict Cumberbatch appears here on Sesame Street. And totally cracks us up in the process.
Kellan Lutz appears here on Sesame Street. And teaches Cookie Monster about the word... vibrate?!?
Mitt Romney visits Sesame Street ... okay not really, but you gotta hear this audio mashup of how that might go down.
Zac Efron is here to teach you all about patience. He and Elmo present the Word of the Day in this Sesame Street clip.
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Katy Perry is apparently too hot for Sesame Street. We can sort of see it with the dress she's got on up in this piece.
Jon Hamm appears here for a Sesame Street sketch. And, no shocker to anyone familiar with the actor, he kills it.
Harry Styles and Liam Payne know their alphabet. They sing it during this appearance on Sesame Street.