Katie Chang
Rebecca
Emma Watson
Nicki
Taissa Farmiga
Sam
Claire Julien
Chloe
Israel Broussard
Marc
Leslie Mann
Laurie
Georgia Rock
Emily
Carlos Miranda
Rob
Gavin Rossdale
Ricky
Stacy Edwards
Marc's Mom
G. Mac Brown
Henry
Marc Coppola
Mr. Hall - Marc's Dad
Janet Song
Rebecca's Mom
Annie Fitzgerald
Kate from Vanity Fair
Lorenzo Hunt
Police Officer #1 (Nicki's)
Timothy Starks
Police Officer #1 (Marc's)
Rich Ceraulo Ko
Police Officer #2 (Nicki's)
Joe Nieves
Police Officer (Rebecca's)
Nelson Rockford
Las Vegas Plainclothes Officer
Doug DeBeech
Adam
Erin Daniels
Shannon
Patricia Lentz
Judge
Michelle Alegria
Female TV Reporter #1
Stacey Turner
Female TV Reporter #2
Brian Gattas
Dogwalker
Logan Miller
Kid at Party
Marcia Ann Burrs
Grandma
Michael Yo
Male E-Interviewer
Halston Sage
School Girl
Marshall Bell
L.A. Detective #1
Brenda Koo
Sarah
Maika Monroe
Beach Girl
Isabel Lasker
Drunk Girl
Adea Lennox
Party Girl
Keenan Henson
Male TMZ Reporter
Rachelle Carson
Chloe's Mom
Peter Bigler
Chloe's Dad
Chad Brannon
Water Delivery Guy
Zoë Bleu Sidel
School Girl's Friend
Cari Champion
Female TV Reporter #3
Nina Siemaszko
Vegas Detective (Female)
Bailey Coppola
Wasted Boy
Yolanda Lloyd Delgado
Rob's Mom
Linc Hand
Police Officer Arresting Rob
Brett Goodkin
L.A. Detective #2
Paris Hilton
Paris Hilton
Kevin Spencer
Bedroom Police Officer #1
Sean Phillips
Bedroom Police Officer #2
Bobby Ashhurst
Police Officer #3
Karl Risinger
Police Officer #2 (Marc's)
Dale Champion
School Teacher
Kirsten Dunst
Kirsten Dunst (uncredited)