Philip Seymour Hoffman
Dusty
Patrick Fischler
The Communicator
Jake Busey
Mobile Lab Technician
Dan Kelpine
Diner Mechanic
Alexa PenaVega
Jo – 5 years old
Taylor Gilbert
NSSL Scientist – Bryce
Bruce Wright
NSSL Scientist – Murphy
Gary England
TV Meteorologist #1
Jeff Lazalier
TV Meteorologist #2
Rick Mitchell
TV Meteorologist #3
John Thomas Rhyne
Paramedic
Samantha McDonald
Drive-in Girl
Jennifer L. Hamilton
Drive-In Girl
Darryl Cox
Four Corners Mechanic (uncredited)
Thomas E. Bentley
Farmer 1 (uncredited)
Jon Bielich
Survivor (uncredited)
Mark Falvo
Survivor (uncredited)
Ben Jackson
Survivor (uncredited)
David Dillinger Jefferis
Townsperson (uncredited)
Brad Masters
Cameraman (uncredited)
April Warren
Flashback Mom (uncredited)