Jack Elam
William Scott Elam, known as Jack Elam , was an American film and television actor best known for his numerous roles as villains in Western films and, later in his career, comedies . His most distinguishing physical quality was the iris of his left eye, which was skewed to the outside, making him look unnaturally walleyed . Before his career in acting, he took several jobs in finance and served two years in the United States Navy during World War II.
Elam was born in Miami in Gila County in south central Arizona, to Millard Elam and Alice Amelia Kirby. His mother died in 1922 when Jack was two years old. By 1930, he was living with his father, older sister Mildred, and their stepmother, Flossie Varney Elam.
Source: Wikipedia