If you never fall in love with your character, you'll never be able to do that character justice. No matter who it is, no matter what the character does, you have to find the reason for it. Everyone's got a reason for what they do, even if it's a reason that they're not proud of.

Comic book fans have loved Wolverine, and all the 'X-Men' characters, for more than the action. I think that's what set it apart from many of the other comic books. In the case of Wolverine, when he appeared, he was a revolution really. He was the first anti-hero.

I once sang 'Summer Nights,' from 'Grease,' at a bar in Melbourne with John Travolta, who's a good friend of mine. He looked cool singing the part of Danny - sitting in an armchair, smoking a cigar - while I got stuck playing Sandy.

My kids are not that interested in my movie career, by the way. My son, in particular, never talks about it. He just wants me as his dad.

Meditation has changed my life

My agent said to me five years ago, 'Hugh, I can see one day you... if I had to plan a goal for you, it's for you to have the kind of career that Sinatra had.'

I like the Rolling Stones for karaoke. 'Sympathy For The Devil' is a great one.