
Acting
William LeRoy Prince (January 26, 1913 – October 8, 1996) was an American actor who appeared in numerous soap operas and made dozens of guest appearances on primetime series as well as playing villains in movies like The Gauntlet and Spontaneous Combustion.
Description above from the Wikipedia article William Prince, licensed under CC-BY-SA, full list of contributors on Wikipedia.

The Paper
as Howard Hackett

The Portrait
as Hubert Hayden

The Taking of Beverly Hills
as Mitchell Sage

Steel and Lace
as Old Man

Spontaneous Combustion
as Lew Orlander

Second Sight
as Cardinal O'Hara

Chain Letter
as Matthew Barwood

Do You Know the Muffin Man?
as Arthur Richardson

Vice Versa
as Avery

Assassination
as H.H. Royce

Walker, Texas Ranger
as Miles Douglas · 2 ep.

Law & Order
as Dwight Corcoran · 1 ep.

Monsters
as Dr. Collin · 1 ep.

War and Remembrance
as Chester Nimitz · 1 ep.

Matlock
as Garland Frazier · 1 ep.

Murder, She Wrote
as Andrew Kerry · 1 ep.

Scarecrow and Mrs. King
1 ep.

Fame
1 ep.

Remington Steele
as Horton Earhart · 1 ep.

Dynasty
1 ep.
Spies Like Us
1985