There are multiple aspects that join together to form the foundations of a living breathing character before even the first letter of your screenplay hits the page. But the real key to creating characters lies in the way you choose to reveal them. From their individual points of view that shape the way your character sees the world, to the internal struggle between what your characters want and what they really need, to the motivations that drive your character's actions. The process may be daunting but when you eventually find yourself speaking in your own character's unique voice and you see them come to life, nothing can be more thrilling.