Look at the Coen brothers. All their minor characters are as interesting as their protagonists. If the smaller characters are well-written, the whole world of the film becomes enriched. It's not the size of the thing, but the detail. ↗
At my public school I had hated every other face for fear the owner was a lord, at university, I was to court the rich while doubting whether there should be great inequalities between incomes. ↗
I mean, before this, I would have said playing Bill Gates, because I'm playing someone obviously who is alive and is the richest man in the world. That was a heavy responsibility. ↗
Starship Troopers was great. It was great fun to work on something with blue screens and big budget special effects. Denise Richards was nice to look at too, of course. ↗