When you were on stage, you could be absolutely open about your emotions and indulge them and express yourself in a way that - in real life - I wasn't doing.
I tend to discourage people from calling me 'Sir Ian,' because I don't like being separated out from the rest of the population. Of course, it can be useful if you're writing an official letter, like trying to get a visa or something passed through Parliament. They're impressed by these things.
I can't take on all the worries of the world, you know. I can only talk about being gay and being an actor. I'll have to leave those other battles to somebody else.
I was brought up in industrial south Lancashire, down the cobbled road from where LS Lowry (1887 - 1976) lived and painted.
I headed out to have a breather at the stage door, dressed in my tramp costume. I had my bowler hat between my feet and there were passers-by, and one of them turned back and said, 'Do you need help, brother?' And $1 fell into my hat!
There are not many things in my life I can be absolutely proud of or certain I got right, but one of them is that I've got better as an actor. I've learnt how to do it. And I still have enough energy to do it.
So it's joyful to me, in my 71st year, to be able to be in a play that is absolutely right for my age and my experience, and that is a popular success. What more could you ask as an actor?
There are some tremendous actors in the U.K. who have been knighted, and I've spent much of my life admiring many of them, like Laurence Olivier. So it's very flattering to be in their company. But you also end up in the company of people you don't admire, including some rather dodgy politicians.
The most likely explanation is the most practical. 'Macbeth' is a very popular play with audiences. If you want to sell out a theater, just mount a production of 'Macbeth'. It's a short play, it's an exciting play, it's easy to understand, and it attracts great acting.
I have little routines in the theater. Once I've established something, like the order of putting on makeup and a costume, I have to invariably do it in the same order every time, even if I only did it by chance the first time round.
I certainly wouldn't define myself as a northerner. I'm not even really sure what that means. I've lived in London for 50 years. I wasn't born here, but I have spent most of my life here. So I don't make much of it, to be honest. I'm just myself.
I am lucky, I don't have aches and pains. I do Pilates regularly, which is a series of stretching exercises, and I recommend it to anyone of my age because the temptation is not to exercise when you get older. Well, you should.
I always walk up the escalator on the Tube, and I live in a house with a lot of stairs, and that's good exercise, but you need more than that.
The wonderful thing about modern medicine is that so many of these complaints that used to signify old age and decline can be coped with.
It is really, really wonderful that in your old age you are protected by specialists who understand your problems and sort them out for you. Well, isn't that what we all need?
You won't hear me talk about my politics, you won't hear me talk about my vegetarianism, you won't hear me comment on the Iraq war. You'll only hear me talk about being gay and being an actor. I am just public on those two issues.
What's upsetting about an autobiography is that the final chapter is always missing. I mean, you want the death, don't you?
I had never come across the 'X-Men' comics till I was asked to play Magneto, so I just jumped into that job.
'King Lear,' I've been seeing all my life. I mean, the great actors of my lifetime... to join their company, as it were, by playing a part that's challenged them, is one of the great joys of being an actor who does the classics.
Most actors are not rich - they are very poor indeed. What keeps them going is that they just love the job.
The one thing you can ask, I think, is that actors get paid a living wage. I would like it if all the repertory theatres that currently exist could do that. It would make a huge difference.
Gandalf's a good guy, and it's a good part. He says the right things, he believes the right things. An actor can have fun with it.
In the '50s and '60s, the life of a gay man was a secret. Homosexuality was illegal, so you didn't draw attention to yourself.
I remember Tom Stoppard saying to me when I came out, 'I feel so sorry for you, because you'll never have children.' These days I would say, 'Well, why not, Tom?'
Shakespeare's villains are fabulous because none of them know that they are villains. Well, sometimes they do.
Will I miss Gandalf? Well, I don't miss him, because people are constantly coming up to me mentioning him and talking about him, so I don't feel that I've lost contact.
Every time you work is a challenge. There's a constant worry about it, and it's a side of acting I don't like.
In the U.K. there is still work to be done, particularly in schools, stopping the homophobic bullies in the playground and introducing unbiased discussion on gay issues in the classroom.
When I went to lobby Nelson Mandela while the post-apartheid constitution was being drafted, I asked him to endorse making it illegal to discriminate on grounds of sexuality. I'd been warned that he might giggle if I mentioned homosexuality.
I just followed my parents' example and advice on living, which was to leave the world a better place than you found it. They were professional do-gooders, ministers of the church, social workers, teachers, and missionaries, that sort of thing.
I'm not someone who wears shades all the time and ducks into a darkened car in case I'm recognized - that would be absolute misery.
If you get criticized, good - I don't think people get criticized enough. People talk behind your back and they criticize you, but they don't often come up and say it to you.