(at around 1h 30 mins) Just before Jacob almost kisses Bella, he says "Kwop kilawtley," which means "stay with me forever" in Quileute.
Each member of the wolf pack had to have papers proving their Native descent. Chaske Spencer is Lakota (Sioux), Bronson Pelletier is Cree-Metis, Alex Meraz is Purepecha (Tarasco), Kiowa Gordon is Hualapai, and Tyson Houseman, who was discovered at an open casting call, is Cree.
In 2019, Robert Pattinson said in an interview that he had recently watched this film on television and had reminisced about the series and the good memories he has of it. He also said that he thought the soundtrack was ahead of its time.
The film's American premiere was held on 16 November 2009, which, in the lunar cycle, is a new moon.
Throughout Twilight (2008), Kristen Stewart wears brown contact lenses in order to match Bella's eyes. The same is true of this film, except for one scene (the Jacob/Bella "break-up" scene outside of Jacob's house). In this scene, Stewart did not wear lenses. Instead, her brown eyes are actually CG applied during post-production. This was because the large amounts of rain kept affecting her lenses.