Biographie

His wife was the one who suggested the "dream season" to explain Bobby Ewing's return from the dead on Dallas (1978).

Wears a medical alert bracelet on his right wrist to draw attention to his potentially fatal penicillin allergy.

On November 18, 1986, teenagers Kenneth Miller and Sean Wentz murdered Duffy's parents, Terrence and Marie Duffy, during a robbery at the couple's Boulder Bar in Montana. Wentz and Miller each named the other as the one who fired the shots that killed the Duffys, but both men were convicted of double murder and were each sentenced to 180 years in prison. Later Wentz recanted his testimony and told prosecutors he was the one who murdered the couple, but Miller's November 2000 appeal of clemency was denied.

Son Conor Duffy (b. 1/16/80) played "Little J.R." on the final episode of Dallas (1978) in 1991.

Could hold his breath underwater for three minutes during his L'homme de l'Atlantide (1977) days.

I'm one of the lucky actors in television. I don't make a lot of big waves, but there's constant activity, and that's the way I prefer to live my life.

[asked if he would write his autobiography] No. I lead a normal life and I don't assume there is anything I can impart to people. The only reason to write a book would be to make money, and I don't want to do that. To write a book would be going against how I've lived.

[in 2000] I miss regular television. I miss the work ethic of those five-day-a-week things. So, eventually, I'd like to get back to that.

With a new house, you can pick everything. It's the ability to create what you have in your mind as the perfect house.

[on being born on St. Patrick's Day] Good luck happens to people who work hard for it. Sometimes people just fall into the honey pot, but I've consistently [striven] to create whatever good fortune I can get in my life--and consistently strive just as hard not to screw it up once I have it! It's great to be able to do shows like Mariage contrarié (2006), which I think is entirely too long a title.