Arrangements for actors

Today we have started talking about who will be in our short film and we came up with alot of people. The performing arts group has given us some actors that we can use, however we need to discuss with them about our film. we know some of our freinds that will be perfect for the roles like the buetifull girl on the train and the main character. we also started doing our story boards. we wish to evaluate the characetrs and see if we should use our own friends or isit better to get more experienced actors from performing arts.