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

Craig Susser

Officer Hicks

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)