High Quality Content by WIKIPEDIA articles! Jonathan Daniel "Jon" Hamm (born March 10, 1971) is an American actor who works primarily in television. For much of the mid-1990s, Hamm lived in Los Angeles as a struggling actor appearing in small parts in multiple television series, including Providence, The Division, What About Brian and Related. In 2000 he made his feature film debut in Clint Eastwood`s space adventure, Space Cowboys. The following year, Hamm appeared in the independent comedy, Kissing Jessica Stein (2001) in a minor role.