Catherine E. Coulson
Catherine Elizabeth Coulson (October 22, 1943 – September 28, 2015) was an American stage and screen actress who worked behind the scenes on various studio features, magazine shows and independent films as well as acting in theater and film since the age of 15. She is best known for her role as Margaret Lanterman, the enigmatic Log Lady, in the David Lynch TV series Twin Peaks. Description above from the Wikipedia article Catherine E. Coulson, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Psych
Twin Peaks
Twin Peaks: Fire Walk with Me
Twin Peaks
Twin Peaks: The Missing Pieces
Femme Fatale
I Know Catherine, the Log Lady
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Postcards From The Cast
I Don't Know Jack
Another You
The Amputee
Redwood Highway
Calvin Marshall
Secrets from Another Place: Creating Twin Peaks
Jonathan Ross Presents for One Week Only: David Lynch
Eraserhead Stories
Pretty as a Picture: The Art of David Lynch
Reflections on the Phenomenon of Twin Peaks
Trick or Treats
The Short Films of David Lynch
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The Secret Life of Houses
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An Introduction to David Lynch
Private Practices: The Story of a Sex Surrogate