The man in Mad Men who had Peggy Olson as a secretary, played a role in the comedy series "30 Rock" as well as the drama series "Mad Men".
 "Live Show" featured appearances by Rachel Dratch, Bill Hader, Matt Damon, Jon Hamm, and Julia Louis-Dreyfus. 
Jonathan Daniel Hamm (born March 10, 1971) is an American actor, director, and television producer best known for playing advertising executive Don Draper for the AMC television drama series, "Mad Men" (20072015). 
 Initially, Peggy is secretary to Don Draper (Jon Hamm), creative director of the advertising agency Sterling Cooper. 
