Warren Frost
Warren Frost (June 5, 1925 – February 17, 2017) was an American actor. His work was mainly in theater, but he worked in films and television sporadically from 1958. He is known for television roles on Matlock and Seinfeld, and particularly as Doctor Hayward on Twin Peaks, a series co-created by his son Mark Frost. He has also appeared in television movies, such as Psycho IV: The Beginning (1990) and The Stand (1994). Description above from the Wikipedia article Warren Frost, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Seinfeld
Twin Peaks
L.A. Law
Quantum Leap
Matlock
The Larry Sanders Show
The Stand
The John Larroquette Show
Murder One
Get a Life
An Inconvenient Woman
Intruders
Twin Peaks
Twin Peaks: The Missing Pieces
Psycho IV: The Beginning
It Started with a Kiss
So Proudly We Hail
The Mating Game
Satan's Touch
War of the Colossal Beast
Fugitive Nights: Danger in the Desert