Nicholas Hoult as R

Teresa Palmer as Julie Grigio

Lio Tipton as Nora Greene

John Malkovich as Colonel Grigio

Dave Franco as Perry Kelvin

Rob Corddry as M / Marcus

Cory Hardrict as Kevin

Vincent Leclerc as Perry's Dad

Daniel Rindress-Kay as Soldier #1

Chris Cavener as Soldier #2

Aaron Janke as Soldier #3

Serge Alain Cambronne as Soldier #4

Robert Reynolds as Janitor

John Topor as TSA Zombie

Ayisha Issa as Athletic Woman

Debbie Wong as Laughing Girl

Christian Paul as Stadium Soldier

Billie Calmeau as Girl at Airport

Clifford Leduc-Vaillancourt as Boy at Airport

Adam Driscoll as Young Man at ATM

Bineyam Girma as Sunset Corpse

Chimwemwe Miller as Airport Corpse

Alec Bourgeois as Perry (11 years old)

Raphael Grosz-Harvey as Plague Corpse

Brent Skagford as Baseball Corpse

Josée Laviolette as Female Corpse on Tarmac

Jonathan Dubsky as Berg

Zavier Vaillancourt as Perry (6 years old)

Christine Rodriguez as Woman

Quinn O'Neill as Emily

Arthur Holden as Zombie Patient

Abdul Ayoola as Corpse Attacking Julie (uncredited)

Dawn Ford as Dr. Burke (uncredited)

Angie Medrano as Human Survivor (uncredited)

Rochelle Okoye as Hunting Zombie (uncredited)

Patrick Sabongui as Hunting Zombie (uncredited)

Sylvia Stewart as Zombie (uncredited)

Diana Noris as Zombie (uncredited)