Leonard King "Len" Lesser (December 3, 1922) is an American actor best known for his role as Uncle Leo on "Seinfeld" after having joined the cast during the second season. Len has appeared on American TV steadily since 1955 having appeared on scores of TV classics such as "Alfred Hitchcock Presents", "Get Smart", "Quincy", "The Rockford Files", "Mad About You", "Boy Meets World", Everybody Loves Raymond and, most recently, … Wikipedia
The definitive Wikipedia entry for Len Lesser. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Len_Lesser