Trivia: Laura Dern and Justin Theroux both admit they have no idea what this movie is about despite being its stars.
Trivia: When one of the campers is grabbed by sasquatch, he yells a Wilhelm scream.
Trivia: Shyamalan based the film on a story he told his children. This aspect of the production was questioned frequently, with one critic saying that if Shyamalan based his films on kid stories, he should go make films for Nickelodeon. Ironically enough, 4 years later he released "The Last Airbender" for Nickelodeon, which was considered to be one of the worst films ever released.
Trivia: The movie is based on a true story. Dieter Dengler was born in Germany just before WWII, and eventually left for the US. He told this story in the book "Little Dieter Needs to Fly" and a 1997 film (Werner Herzog) with the same same.
Trivia: Eddie Murphy, who received a Best Supporting Actor nomination for this film at the Academy Awards, reportedly stormed out of the building after losing the award to Alan Arkin.
Trivia: When one of the men is pulled down by a sheep whilst trying to get into a car during the sheep attack on Angus' speech, he yells the Wilhelm scream.