Kenneth Welsh, CM (March 30, 1942 – May 5, 2022) was a Canadian film and television actor. He was best known as the multi-faceted villain Windom Earle in Twin Peaks, for his roles in the films The Day After Tomorrow, Adoration, Survival of the Dead, and, as the father of Katharine Hepburn (portrayed by Cate Blanchett), in Martin Scorsese's The Aviator.