Brittany Snow
Donna Keppel
Scott Porter
Bobby
Jessica Stroup
Claire
Dana Davis
Lisa Hines
Collins Pennie
Ronnie Heflin
Kelly Blatz
Michael
Johnathon Schaech
Richard Fenton
Ming-Na Wen
Dr. Elisha Crowe
Idris Elba
Detective Winn
James Ransone
Detective Nash
Shawn Driscoll
Officer Will
Brianne Davis
Crissy Lynn
Valeri Ross
Mrs. Hines
Jessalyn Gilsig
Aunt Karen Turner
Kellan Lutz
Rick Leland
Mary Mara
Ms. Waters
Allison Kyler
Dancer
Linden Ashby
Uncle Jack Turner
Jana Kramer
April
Rachel Specter
Taylor
Lori Heuring
Mrs. Keppel
Jay Phillips
DJ Tyler
Joshua Leonard
Bellhop
Jennie Vaughn
Donna's Stylist
Kevin Gould
Prom Photographer
Tom Tarantini
Inmate
Charles Hirsch
Clerk
Brian Oblak
Businessman
David Kaufman
Businessman
Ross Partridge
Businessman
Jacqueline Herrera
Maid
Hugh Scott
New Clerk
Nicholas James
Denny Harper
Andrew Fiscella
Officer
David Lowe
Officer
Marcuis Harris
Reporter
Troy Blendell
Reporter
Gina St. John
Reporter
Nick DeMoura
Dancer
Morgan Nagatani
Dancer
Zena Foster
Dancer
Alex 'Shorty' Welch
Dancer
Katie Orr
Dancer
Anthony Clark
Dancer
Johnny Erasme
Dancer
Anthony Rue II
Dancer
Jennifer Talarico
Dancer
Tommy Kijas
Motorcycle Prom Kid (uncredited)