Kyle Merritt MacLachlan is an American actor. He is best known for his work with David Lynch, having played the lead roles in Dune, Blue Velvet, and Twin Peaks. He reprised the role of Dale Cooper in Twin Peaks: Fire Walk with Me and in the 2017 revival.
He has provided his voice for the audio releases of "Diane..." - The Twin Peaks Tapes of Agent Cooper and The Secret History of Twin Peaks.
His brother, Craig MacLachlan, appeared in Twin Peaks as murder victim, Erik Powell.