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.
“This war in Iraq is part of a larger effort to remove this terrorist threat from the planet.”
“Back then I was called Dumbo because of my ears. I was called Fatty, too. It was hurtful so I became like the class clown. I became the one who was kicked around.”