Lesser died from pneumonia related to cancer
88-year-old Len Lesser, best known as Uncle Leo on the successful series Seinfeld, passed away on Wednesday.
The Hollywood Reporter reports that Lesser died on account of pneumonia related to cancer.
Throughout Lesser’s 60-year career, he made over 500 appearances on the stage, both in film and on the small screen, starting in 1954.
Lesser is survived by his daughter and son, Michele and David Lesser; David's wife, Julie; and his grandchildren, Jonathan, Kayla, and Mayah.