Sometimes, the smaller roles in movies can be the most interesting. If you only take the stance that you'll only play central characters in movies, you'll find yourself not being able to indulge in that morally grey terrain that makes support characters so rich and interesting.
The recipe for any character is always very interesting, as far as what doses of certain qualities you want.
I'm hardly digging trenches for a living. I'm getting to tap into my boyhood fantasies of being a larger-than-life character.