Zac Efron
Andy McGee
John Carpenter
Original Music Composer
Kurtwood Smith
Dr. Joseph Wanless
Gloria Reuben
Captain Jane Hollister
Michael Greyeyes
John Rainbird
John Beasley
Irv Manders
Sydney Lemmon
Vicky Tomlinson-McGee
Jason Blum
Producer
Lanette Ware
Principal Lewis
Hannan Younis
Darla Gurney
Jason Gosbee
Stunt Double
Aline Gilmore
Costume Design
Tina Jung
Ms. Gardner
Ryan Turek
Executive Producer
Danny Waugh
Sheriff Perry
Shane Marriott
Control Room Guard
Isaac Murray
Second Kid
Karim Hussain
Director of Photography, Cinematography
Raphael Margules
Executive Producer
J.D. Lifshitz
Executive Producer
Scott Teems
Screenplay, Executive Producer
Moses Nyarko
Man in Street Clothes
Jamillah Ross
Officer Pierce
Darrin Maharaj
News Reporter
Xavier Lopez
Research Assistant
Daniel Davies
Original Music Composer
Gregory Lessans
Executive Producer
Daryl Patchett
Stunt Coordinator
Dan Martin
Prosthetics
Trevor Smale
Set Designer
Zosia Mackenzie
Production Design
Ally Conover
Casting Associate
Vas Saranga
Agent Jules
Jon Romano
Co-Producer, Head of Production
Morrissa Nicole
Young Nurse
Cody Carpenter
Original Music Composer
John O'Regan
Art Direction
Martha De Laurentiis
Executive Producer
Lilly Tyson
Casting Assistant
Sheila Boyd
Esmerelda 'Essi' Manders
Morgyn Johnston
Casting Associate
Mike Leandro
Set Decoration
Jessica Metcalf
Stunt Double
Mimi Côté
Stunt Double