Richard Armitage
as Gary Morris

Sarah Wayne Callies
as Allison

Matt Walsh
as Pete

Max Deacon
as Donnie

Alycia Debnam-Carey
as Kaitlyn

Nathan Kress
as Trey

Arlen Escarpeta
as Daryl

Jeremy Sumpter
as Jacob

Lee Whittaker
as Lucas

Stephanie Koenig
as Marcia

Kyle Davis
as Donk

Jon Reep
as Reevis

Scott Lawrence
as Principal Thomas Walker

David Drumm
as Chester

Brandon Ruiter
as Todd White

Kron Moore
as Teacher (Mrs. Blasky)

Vincent McCurdy-Clark
as Billy

Linda Gehringer
as Linda

Maryanne Nagel
as Ms. McGee

Alex Wayne Winterhalt
as Grace

Gino Borri
as David Brody

Amanda Ryskamp
as Jenny

Michael Ellison
as Volunteer Fireman

Chuck Gaidica
as Weather Anchor

Steve Garagiola
as News Anchor

Gary England
as Himself

Don Lemon
as Himself

John Dickerson
as Teacher/Fire Chief

Jimmy Groce
as Studious Male

London Elise Moore
as Cheerleader

John W. Hardy
as Preacher

Mikayla Bouchard
as Crying Woman

Taras Los
as Fireman

Frank Zieger
as Road Worker

Kim Adams
as Sheila O'Neil (uncredited)

Mike Ancrile
as Teacher (uncredited)

Christine Bell
as Graduating High School Student (uncredited)

Chris Mansa
as Graduating Student (uncredited)

Terri Partyka
as Graduation Attendee (uncredited)

Patricia Lynne Cissell
as Graduation Parent (uncredited)

Niki Cipriano
as Sister of Graduate (uncredited)

Chris Bellant
as Nerd (uncredited)

Ron Causey
as Tornado Survivor (uncredited)

Helena Ellison
as Tornado Survivor (uncredited)

Karla Cipriano
as Tornado Survivor (uncredited)

James Feaheny
as Tornado Survivor (uncredited)

Carey Torrice
as Tornado Survivor (uncredited)

Apollo Bacala
as Friend/Family (uncredited)

Rose Anne Nepa
as Townsperson (uncredited)

Dennis Doyle Jr.
as Townsperson (uncredited)

Pam German
as Townsperson (uncredited)

Steven Hauptman
as Townsperson/Videographer (uncredited)

Rick Wooley
as Farmer (uncredited)

Jeff Hill
as Bus Passenger (uncredited)