I do a lot of public speaking and presentations and I'll always start with a self-deprecating joke to make everybody feel comfortable with my size because there can be hang-ups and anxieties.

My life is quite physical anyway. When you are three-foot-six you kind of have to climb stuff now and again, and you find yourself in quite precarious situations just to manage in what is quite a big world.

When I go from a role with heavy prosthetic makeup, which I've done quite a bit of as well, and then do a role where I'm not wearing any, I have to be conscious of toning everything down. Because when you're wearing prosthetic makeup, of course, you have to really move your face a lot more to convey things through the makeup.

In a costume, you need very exaggerated body language - as you say, sort of mime-type skills.

I do a lot of public speaking and presentations and I'll always start with a self-deprecating joke to make everybody feel comfortable with my size because there can be hang-ups and anxieties.

Nothing's better than coming away from a film when people don't even recognize you, because you've undergone a total transformation.

When you do films that have multiple sequels, you develop a character for a film.