When Bella Swan moves to a small town in the Pacific Northwest, she falls in love with Edward Cullen, a mysterious classmate who reveals himself to be a 108-year-old vampire. Despite Edward's repeated cautions, Bella can't stay away from him, a fatal move that endangers her own life.
| Bella Swan | Kristen Stewart |
| Edward Cullen | Robert Pattinson |
| Charlie Swan | Billy Burke |
| Dr. Carlisle Cullen | Peter Facinelli |
| Alice Cullen | Ashley Greene |
| Jasper | Jackson Rathbone |
| Rosalie | Nikki Reed |
| Emmet Cullen | Kellan Lutz |
| Esme Cullen | Elizabeth Reaser |
| Jacob Black | Taylor Lautner |
| Billy Black | Gil Birmingham |
| James | Cam Gigandet |
| Victoria | Rachelle Lefevre |
| Laurent | Edi Gathegi |
| Jessica | Anna Kendrick |
| Mike Newton | Michael Welch |
| Eric | Justin Chon |
| Angela | Christian Serratos |
| Mr. Molina | José Zúñiga |
| Renée | Sarah Clarke |
| Phil | Matt Bushell |
| Tyler | Gregory Tyree Boyce |
| High School Administrator | Trish Egan |
| Cora | Ayanna Berkshire |
| Waylon Forge | Ned Bellamy |
| Mine Security Guard | Bryce Flint-Sommerville |
| Jacob's Friend | Solomon Trimble |
| Frat Boy | Alexander Mendeluk |
| Frat Boy | Hunter Jackson |
| Frat Boy | Gavin Bristol |
| Frat Boy | Sean McGrath |
| Waitress | Katie Powers |
| Young Bella | Catherine Grimme |
| Native Wolf Pack Member #2 (uncredited) | William Joseph Elk III |
| 1920's Vampire Victim (uncredited) | Victoria Geil |
| Diner Customer (uncredited) | Stephenie Meyer |
| Native Werewolf Tribe #1 - Flashback Sequence (uncredited) | Rick Mora |
| Man in Cafe (uncredited) | Edward Stiner |
| Logger (uncredited) | Robert Zorn |
| Jacob in Spanish (uncredited) | Humberto Amor |
| Embry Call (uncredited) | Kristopher Hyatt |
| Biology Class Student (uncredited) | Tyler Nordby |
| Coffee Shop Guy (uncredited) | Trip Ross |
| Townsperson (uncredited) | Josh Turner |
| Volleyball Player (uncredited) | Maggie-Jo Turner |
