Trivia

Joaquin Phoenix replaced Mark Ruffalo, who had to pull out of the film due to a brain tumor. It was later found to be benign.

The artwork in the book about extraterrestrials was done by writer and director M. Night Shyamalan's daughter, Saleka Shyamalan.

The stories of the children's birth are actually the stories of M. Night Shyamalan's two children.

The production used a new watering technique to make the corn grow faster, which the Delaware Valley agricultural college was then very keen to adopt for themselves.

The crop circles are real, as M. Night Shyamalan doesn't particularly like using CGI.