You're being cast for your acting ability. It's not based on the way your body functions. If you're playing a lead in a movie, it's for that character and they'll tailor it to you. In a dance company, you have to fit in a definite mold.
“I have a trophy case that contains all the action figures ever made of me. It also has items I've stolen from my movies, like three guns and holsters from 'Serenity'.”
“I like the construction of sentences and the juxtaposition of words-not just how they sound or what they mean, but even what they look like.”