Helen Hunt
as Jo

Bill Paxton
as Bill

Jami Gertz
as Melissa

Cary Elwes
as Jonas

Lois Smith
as Aunt Meg

Philip Seymour Hoffman
as Dusty

Alan Ruck
as Rabbit

Sean Whalen
as Sanders

Scott Thomson
as Preacher

Todd Field
as Beltzer

Joey Slotnick
as Joey

Wendle Josepher
as Haynes

Jeremy Davies
as Laurence

Zach Grenier
as Eddie

Gregory Sporleder
as Willie

Patrick Fischler
as The Communicator

Nicholas Sadler
as Kubrick

Ben Weber
as Stanley

Anthony Rapp
as Tony

Erik LaRay Harvey
as Eric

Abraham Benrubi
as Bubba

Jake Busey
as Mobile Lab Technician

Melanie Hoopes
as Patty

J. Dean Lindsay
as Dean

Dan Kelpine
as Diner Mechanic

Sharonlyn Morrow
as Waitress

Richard Lineback
as Father

Rusty Schwimmer
as Mother

Alexa PenaVega
as Jo – 5 years old

Taylor Gilbert
as NSSL Scientist – Bryce

Bruce Wright
as NSSL Scientist – Murphy

Gary England
as TV Meteorologist #1

Jeff Lazalier
as TV Meteorologist #2

Rick Mitchell
as TV Meteorologist #3

John Thomas Rhyne
as Paramedic

Paul Douglas
as Bodger

Samantha McDonald
as Drive-in Girl

Jennifer L. Hamilton
as Drive-In Girl

Anneke de Bont
as Farm Girl

Darryl Cox
as Four Corners Mechanic (uncredited)

Thomas E. Bentley
as Farmer 1 (uncredited)

Jon Bielich
as Survivor (uncredited)

Mark Falvo
as Survivor (uncredited)

Ben Jackson
as Survivor (uncredited)

David Dillinger Jefferis
as Townsperson (uncredited)

Brad Masters
as Cameraman (uncredited)

April Warren
as Flashback Mom (uncredited)