From their site:

The Actors Fund is a nonprofit, national human services organization that helps entertainment and performing arts professionals in theater, film, music, opera, television and dance through a broad spectrum of social, health, employment, and housing programs that address their essential and critical needs.

This is my charity.  Why?  If you're in entertainment, think of your cast, your crew, your assistants, your company manager, your designers, yourself...  This is an organization that helps us when we're injured, jobless, sick, old, ruined by divorce, etc.  Please, consider making The Actors Fund your charity. 

And, if you’re not in entertainment, but want to support people in the arts without buying a ticket, this is another way to do it.  It’s tax deductible!