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)