I think movies have much more magic than the theater. Theater can be a magical experience, but movies thrust their subjectivity on you in a more profound way.
The artist himself may not think he is religious, but if he is sincere his sincerity in itself is religion.
But novels are never about what they are about; that is, there is always deeper, or more general, significance. The author may not be aware of this till she is pretty far along with it.