I'm not exactly an actor, but as a student filmmaker right now, I'm sorry you had to experience this OP, I'm sure there are other student filmmakers out there that are more professional than this. I'd just like to thank you for sharing your experience OP as this can help out indie/student filmmakers out there to better themselves. I can understand your frustration as even to me this is completely unprofessional of them to not be prepared and even worse providing you with a very lackluster edit and it's 100% completely not your fault. Next time if you're going to be working with a indie/student crew I would suggest to get involved with almost every step of the process to just give some advice to the editors, directors, writers and get everyone on the same page so everyone knows what is going to happen. This is usually how I would approach actors and be 100% transparent with them in our process and allow them to get involved in the process because you never know if somebody has a great idea that could totally change up the film and turn it around! However, just keep in mind I said student/indie projects and not a big budget shoot :)