Complex sentence: Jonathan Daniel "Jon" Hamm (born March 10,1971) is an American actor best known for playing advertising executive Don Draper in the AMC drama series "Mad Men", which premiered in July 2007.
Split into simpler sentences: Jonathan Daniel "Jon" Hamm (born March 10,1971) is an American actor. Hamm gained recognition for playing advertising executive Don Draper in the AMC drama series "Mad Men", which premiered in July 2007.