My biggest ambition over everything is to have kids. It feels great. I'd love a big family.

For a man, there's a big responsibility that comes with having a boy because men are made by their fathers. If you've got a good productive man around it's better. I have such a close relationship with my dad and that responsibility to produce a good man is something I think about.

If you're a casting director, you're going to be curious to see what Timothy Spall's son is like. But when you get in the door, you have to have something to offer.

Because I was always a fat child, I got fatter and fatter, and I ended up 18 stone and with a 40-inch waist.

I've done loads of things people have never seen, dramas on BBC4 and plays upstairs at the Royal Court and the Bush, and because I didn't go to drama school, they gave me an education.

When you do a film, you get picked up in a car, lunch is free. Theatre is really hard, and you get absolutely no money.

In any kind of comic scene you're going to perhaps push the boundaries of plausibility but as long as there is some semblance of logic I think as an audience you'll buy it and as an actor, when it comes to playing things like that, it gives you something to delve into. When I don't buy into a comic scene is the type of scenario where you'd just go: "Well, that would never happen."