Len Lesser, 'Seinfeld's' Uncle Leo, dead at 88
The AP reports Lesser died in Burbank, California, after succumbing to cancer-related pneumonia.
In addition to his turn on "Seinfeld," Lesser had a recurring role on "Everybody Loves Raymond" and appeared in episodes of shows dozens of series, including "Get Smart," "The Munsters" and "ER."
His last acting credit is an appearance in a 2009 episode of "Castle."
Lesser is survived by his two children and three grandchildren.