I'm not entirely sure about all the cast members specifically. But they are actors who were chosen to portray the real - life characters from the story that 'Society of the Snow' is based on.
The cast in the 'Society of the Snow' real - story adaptation played a vital role. Their performances were key to making the audience connect with the real - life events. They had to accurately portray the physical and emotional states of the real - life characters. For instance, they needed to show the fear, determination, and camaraderie that existed during the actual events. Their ability to do so made the story more than just a recount of facts; it became a moving and immersive experience for the viewers. This way, the cast helped to preserve and share the important real - story with a wider audience.