Biografia

His great-great-great-great-grandfather, George Boone, was a brother of pioneers Daniel Boone and Squire Boone.

Served in the US Navy during World War II.

At the end of his life, he taught acting classes at Flagler College in St. Augustine, FL.

Struggled with alcoholism for most of his life, allegedly partly due to his experiences in World War II.

Turned down Jack Lord's role in Havaí 5.0 (1968).

[about John Wayne] He was an heroic figure and a hero. He stood up for causes when they weren't popular at all and he never hesitated to stand up and get counted, he was that kind of a person.

You have to use the power you acquire to protect the integrity of what you're doing. And to do that, you have to be prepared to go all the way. If you have the strength to do that, you're in pretty good shape.

Have I changed? Maybe success was necessary for me. I believe that unless I achieved it I would be a pretty miserable beast. Maybe I am a miserable beast. But now that I've got success, in some measure, I can decide what I want - and what I want, in a word, is to do the best work I can under the best possible conditions.

[on Paladino do Oeste (1957)] It was a ridiculous thing, but I don't ever have to worry about money. As a result of playing Paladin, I have what is known to actors as a lot of go-to-hell money.

It's harder and harder to do your best work on TV. (1967)