When Howard Marks came out of prison, years later, I met him at a concert in South Wales; I was a young whippersnapper and Howard was kind of an outlaw hero. I said to him - and it's on tape, a cousin of his filmed our meeting - I said, "If you write a book, I want to play you in a movie." He said, "Let's shake on it," and we did. Thirteen years later, there we were, making the movie.

I work hard and I party hard. When I go to work, I know what I am doing and I do it to the best of my abilities. When I party, I take exactly the same rule book with me.

If I'd been a rock star, I'd probably now be dead.

We're both Welshmen and growing up, when Howard Marks was finally caught, it was all over the news. He did an interview in the Welsh language, which I also speak, and I was sort of just amazed that this man from a small country was for many years supplying much of the world with most of the marijuana it was smoking. It was incredible.

Whoever wrote Shakespeare is a working class hero be he an aristocrat or a peasant. Shakespeare is a great leveler. We're presented with kings, queens, emperors and giants who feel the same things as everyone else: jealousy, love, anger, bitterness, grief, loss.

I am the least likely person in the world to be in an American football film! Which is why I couldn't say no to The Replacements; I thought it was hilarious.

I freely admit that I am a bit of a misfit.