Catherine E. Coulson
An image from I Don't Know Jack, one of the productions that also features Catherine E. Coulson.
Catherine E. Coulson

Catherine E. Coulson

October 22, 1943 — Elmhurst, Illinois, USA

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.

Twin Peaks

Twin Peaks

1990

The Amputee

The Amputee

1974

The Short Films of David Lynch

The Short Films of David Lynch

2002

Eraserhead Stories

Eraserhead Stories

2001

I Don't Know Jack

I Don't Know Jack

2002

Redwood Highway

Redwood Highway

2013

Secrets from Another Place: Creating Twin Peaks

Secrets from Another Place: Creating Twin Peaks

2007

Femme Fatale

Femme Fatale

1991