If you do go to speak to someone in person bring someone with you as a way to have someone on your side. It is always good to have someone else there so it is not a he said she said situation. Also whatever you write make sure you make copies and send them to places like Playbill.com, BroadwayWorld.com and other places... so you mean business... BUT do not point fingers and say she was a jerk she was mean.. Just put the situation out there and explain how you felt. If you say.. you did this and you did that it makes it sound like you are a whiner. You are 100% right in your upset-ness.. but make sure it comes out with you being a better person.
"Whenever I get gloomy with the state of the world, I think about the arrivals gate at Heathrow Airport. General opinion's starting to make out that we live in a world of hatred and greed, but I don't see that. It seems to me that love is everywhere. Often it's not particularly dignified or newsworthy, but it's always there - fathers and sons, mothers and daughters, husbands and wives, boyfriends, girlfriends, old friends. When the planes hit the Twin Towers, as far as I know none of the phone calls from the people on board were messages of hate or revenge - they were all messages of love. If you look for it, I've got a sneaky feeling you'll find that love actually is all around."