Greg MacLennan, originally from Ottawa, Ontario, is a feature film editor based in Austin, Texas. He is known for editing Seek, The Pale Door, Margaux, and the 2024 Frank Grillo film Werewolves. Prior to film editing, MacLennan was a film programmer at the Alamo Drafthouse and hosted mystery movie marathons, typically featuring action stars from the '80s and '90s.