You choose to go with the well-known director, someone you, and everyone else, are familiar with. This ensures your introduction to the public, and soon more job offers come flooding in. The filming experience is amazing. You meet some of your idols, and the press sings your praises as the next big thing in the pool of actors in your age group.
There is even talk among critics and media of an Oscar nod, which is something beyond your wildest dreams, especially for your first film.