Character Name : Sarah

Original Name : Sierra McCormick

Gender : Female

Character Name : Maria

Original Name : Katie Sarife

Gender : Female

Character Name : Claire

Original Name : Hannah Rose May

Gender : Female

Character Name : Daisy

Original Name : Cassidy Gifford

Gender : Female

Character Name : Liam

Original Name : Anthony Del Negro

Gender : Male

Character Name : Samantha

Original Name : Allie Marshall

Gender : Female

Character Name : College student

Original Name : Moe Brown

Gender : Male

Character Name : Jodi

Original Name : Sara Kapner

Gender : Female

Character Name : Kevin

Original Name : Daniel Covin

Gender : Male

Character Name : Professor Kent

Original Name : Jordan James Smith

Gender : Male

Character Name : Alice

Original Name : Bridget White

Gender : Female

Character Name : Dean Conway

Original Name : C.L. Simpson

Gender : Male

Character Name : Kendall

Original Name : Sejal Shah

Gender : Female

Character Name : Detective Ed Bienen

Original Name : Michael J. Burg

Gender : Male

Character Name : Whitney

Original Name : Megan Easton

Gender : Female

Character Name : Jill

Original Name : Tara Layne

Gender : Male

Character Name : Kayla

Original Name : Bérénice Achille

Gender : Female

Character Name : Emma

Original Name : Callaghan Belle

Gender : Male

Character Name : Arthur

Original Name : Erik Bloomquist

Gender : Male

Character Name : Mrs. Dwyer

Original Name : Jennifer J. Burns

Gender : Male

Character Name : Partygoer

Original Name : Enrique Castaneda-Pineda

Gender : Male

Character Name : College Student

Original Name : Zack Federici

Gender : Male

Character Name : Extra

Original Name : Samuel Gouvin

Gender : Male

Character Name : Erin

Original Name : Jade Kedrick

Gender : Male

Character Name : Evan

Original Name : Brett Lapeyrouse

Gender : Male

Character Name : Ashley

Original Name : Michelle Layton

Gender : Male

Character Name : Tiffany

Original Name : Mary Kate Malat

Gender : Female

Character Name : Doctor

Original Name : Kerry McGann

Gender : Female

Character Name : Officer Smith

Original Name : Steven A. Miller

Gender : Male

Character Name : Jessica

Original Name : Kali Money

Gender : Male

Character Name : Student

Original Name : Michelle Patnode

Gender : Female

Character Name : Professor Graham

Original Name : Kevin Shea

Gender : Male

Character Name : Sorority Sister / Student

Original Name : Sarah Soderstrom

Gender : Male

Character Name : Student

Original Name : Katie Vandrilla

Gender : Female

Character Name : Partygoer (uncredited)

Original Name : Alec Ematrudo

Gender : Male