Katie Leclerc as Haylee Green

Andrea Sixtos as Gina Rodriguez

Brian Tyler Cohen as Scooter

Stephen Wu as Finn

Jonathan Bennett as Thomas James

Jack McGee as Captain Lynch

Willam Belli as Shineeda Drink

Dominick LaRuffa Jr. as Slade

Julia Ling as Vy

Thomas Dekker as Derek

Roberto 'Sanz' Sanchez as Tito

Kent Faulcon as David Carpenter

Charley Paterson as Detective Conway

John William Young as Detective Dyer

Jackie Moore as Dr. Harper

Shelby Wulfert as Nicole

Alice Tate as Charlotte

Ashley Brinkman as Keri

Janlyn Williams as Nicole's Grandmother

Babe McGuire as Mrs. Cohen

Aria Freedom as Ashley (Little Girl)

Garnet Harding as Officer Cooper

Caroline Vuchetich as Punk Rock Princess

Marco DelVecchio as Greg

Jaymes Vaughan as Bartender

Richard E. Wilson as Nicole's Grandfather

Kunal Chopra as Josh/Vet Tech

Chris Boudreaux as Partygoer #1

Sarah Koehne as Partygoer #2

Danto Dwiananto as Partygoer #3

Candice Callins as Partygoer #4

Forrest Lark as Partygoer #5

Rafael Perez as Partygoer #6

Kim Vruggink as Partygoer #7

Adam Abdou as Partygoer #8

Katy Bentz as Bar Patron

Heidi Appe as Zombie Patient #1

Vanessa Mena as Zombie Patient #2

James Forbis as Zombie Patient #3

Charlotte Andersen as Dispatcher (voice)

Kenny Trocke as Gavin, Medical Operator (voice)

Cassidy Cooper as Haylee's Mom (voice)