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'll probably always be 'Timothy Spall's son' and it's something I'm proud of. Maybe one day as well as that, they'll say of Timothy Spall that 'He's Rafe Spall's dad'.

I’ve been an actor for 10 years now, and if anything I want to talk more about my dad. He taught me that even if you get past the casting director’s door you’ve still got to do your homework: you’ve still got to work hard.

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

My dad's one of the funniest men in the world. I grew up with him making me laugh so much I'd beg him to stop.

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."

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