
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.
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Twin Peaks: Fire Walk with Me
1992 · as The Log Lady

Twin Peaks
1989 · as The Log Lady

Twin Peaks: The Missing Pieces
2014 · as The Log Lady

Femme Fatale
1991 · as Sister Mary

Another You
1991 · as Nurse

I Know Catherine, the Log Lady
2026 · as Self (archive footage)

The Amputee
1974 · as The Amputee

Calvin Marshall
2009 · as Carramae

Trick or Treats
1982 · as Nurse Reeves

The Short Films of David Lynch
2002 · as Self

Postcards From The Cast
2001 · as Self

Redwood Highway
2013 · as Susie

I Don't Know Jack
2002 · as Self

Reflections on the Phenomenon of Twin Peaks
2001 · as Self

Jonathan Ross Presents for One Week Only: David Lynch
1990 · as Self

Eraserhead Stories
2001 · as Self (voice)

Secrets from Another Place: Creating Twin Peaks
2007 · as Self

Pretty as a Picture: The Art of David Lynch
1997 · as Self