TV fans remember Hamlin as dashing attorney Michael Kuzak from the '80s legal drama "L.A. Law" — not to mention as People's Sexiest Man Alive of 1987! Even at 62 years old, he's still got plenty of that old charisma as "Mad Men's" Jim Cutler, who's sort of the bizarro Roger Sterling and introduced Don Draper to the subtle pleasures of amphetamine injections.
The halls of Sterling Cooper & Partners have been filled with a lot of familiar faces lately. Here are more than 20 "Mad Men" guest stars we recognize from previous roles in TV and movies. — Dave Nemetz, Yahoo! TV