Before I tried LSD, I'd been going to a psychologist for a couple of years. I found out about success that you have to fight for it a lot, then when you achieve it, you can't give up the fight.

My television and movie career has also taken me all over the world. I've had great times in the Far East, Russia, South America and Sweden - where I met my wife of 55 years, Maj.

Don't you find that the more you know, the more you don't know and can't ever learn because there's too much stuff out there?

'Dallas' hit a chord back in the late Seventies and Eighties because it was the age of greed: here you have this unapologetic character who is mean and nasty and ruthless and does it all with an evil grin. I think people related to JR back then because we all have someone we know exactly like him. Everyone in the world knows a JR.

You know Hollywood is a weird and wonderful place, I didn't know I Dream of Jeanie had been cancelled after 5 years until I went back to go on the lot to pick up some clothes and things I had in my dressing room.

I have this wonderful personal chef who sources and stocks all my organic produce and I basically live on five smoothies a day. I'm totally vegan. I blend this green concoction with kale, cucumber, broccoli, string beans, avocado. My protein comes from protein powder. There is absolutely no milk, butter, cheese.

On being asked by Channel 4's Derek Thompson if he owned horses - No, son. I don't like anything that eats while I sleep.