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
I Know Catherine, the Log Lady
Another You
Femme Fatale
Pretty as a Picture: The Art of David Lynch
Secrets from Another Place: Creating Twin Peaks
Reflections on the Phenomenon of Twin Peaks
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Postcards From The Cast
Trick or Treats
I Don't Know Jack
The Short Films of David Lynch
Jonathan Ross Presents for One Week Only: David Lynch
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An Introduction to David Lynch
Calvin Marshall
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The Secret Life of Houses
Redwood Highway
The Amputee
Eraserhead Stories
Private Practices: The Story of a Sex Surrogate