Dr. Jo Harding
Bill Harding
Dr. Jonas Miller
Dr. Melissa Reeves
Dustin Davis
Meg Greene
Robert 'Rabbit' Nurick
Allan Sanders
Jason 'Preacher' Rowe
Tim 'Beltzer' Lewis
Joey
Haynes
Laurence
Eddie
Willie
The Communicator
Kubrick
Stanley
Tony
Eric (as Eric LaRay Harvey)
Bubba
Mobile Lab Technician
Patty
Dean
Diner Mechanic
Waitress
Mr. Thornton
Mrs. Thornton
Jo Harding age 6 (as Alexa Vega)
Bryce, NSSL Scientist
Murphy, NSSL Scientist
TV Meteorologist #1
TV Meteorologist #2
TV Meteorologist #3
Paramedic
Bodger
Drive-In Girl
Farm Girl
Farmer 1 (uncredited)
Survivor (uncredited)
Four Corners Mechanic (uncredited)
Townsperson (uncredited)
Cameraman (uncredited)
Flashback Mom (uncredited)