Will Geer (March 9, 1902 – April 22, 1978) was an American actor and social activist. His original name was William Aughe Ghere. He is remembered for his portrayal of Grandpa Zebulon Tyler Walton in the 1970s TV series, The Waltons.   Description above from the Wikipedia article Will Geer, licensed under CC-BY-SA, full list of contributors on Wikipedia.

• Winchester '73 (1950)

  
• In Cold Blood (1967)

  
• Jeremiah Johnson (1972)

  
• Seconds (1966)

  
• Executive Action (1973)