Sierra McCormick
Sarah
Katie Sarife
Maria
Hannah Rose May
Claire
Cassidy Gifford
Daisy
Anthony Del Negro
Liam
Allie Marshall
Samantha
Moe Brown
College student
Sara Kapner
Jodi
Daniel Covin
Kevin
Jordan James Smith
Professor Kent
Bridget White
Alice
C.L. Simpson
Dean Conway
Sejal Shah
Kendall
Michael J. Burg
Detective Ed Bienen
Megan Easton
Whitney
Tara Layne
Jill
Bérénice Achille
Kayla
Callaghan Belle
Emma
Erik Bloomquist
Arthur
Jennifer J. Burns
Mrs. Dwyer
Enrique Castaneda-Pineda
Partygoer
Zack Federici
College Student
Samuel Gouvin
Extra
Jade Kedrick
Erin
Brett Lapeyrouse
Evan
Michelle Layton
Ashley
Mary Kate Malat
Tiffany
Kerry McGann
Doctor
Steven A. Miller
Officer Smith
Kali Money
Jessica
Michelle Patnode
Student
Kevin Shea
Professor Graham
Sarah Soderstrom
Sorority Sister / Student
Katie Vandrilla
Student
Alec Ematrudo
Partygoer (uncredited)