I am going to sound like a complete old fart here, but you really should get someone to check your grammar and spelling before posting. And use some more punctuation and some capital letters.

"we are also talking for the main cast"

"we are not to worried"

If I received a letter written like this asking me to attend an event, I would think you were a bunch of amateurs - which I know you are not, so you are letting yourselves down here.