Len Lesser

Active - 1980s - 2005  |   Born - Dec 3, 1922 in Bronx, New York, United States  |   Died - Feb 16, 2011 in Burbank, CA  |   Genres - Comedy, Drama, Action

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Character actor Len Lesser worked steadily in film and television since his film debut in Shackout on 101 (1955). Lean, dark, and bushy-browed, he was typically cast as a crook or hitman. Fans of the television sitcom Seinfeld will recognize Lesser as Uncle Leo.

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  • Got involved in acting as a teenager; took classes at a local community center. 
  • Studied at the American Theatre Wing in New York, NY.  
  • Made TV debut in 1949 on the CBS drama Studio One in an episode called "Two Sharp Knives."
  • Cinematic debut was in a 1955 cult film about spies, Shack Out on 101
  • Best-known for his bizarre recurring role on the classic sitcom Seinfeld; appeared as the unforgettably annoying Uncle Leo from 1991 to '98. The role gave the veteran character actor such great recognition that he was once noticed while visiting the Wailing Wall in Jerusalem. 
  • Played a Holocaust survivor in a short film, Today You Are a Fountain Pen, in 2002.
  • Cowrote Where's the Watch?! and Other Tales: A Memoir from Seinfeld's Uncle Leo, which was released in 2011.