Ben Affleck
A. J. Frost

Billy Bob Thornton
Dan Truman

Bruce Willis
Harry Stamper

Eddie Griffin
Bike messenger

Grace Zabriskie
Dottie, femme de Karl

John Mahon
Karl, astronome

Keith David
General Kimsey

Liv Tyler
Grace Stamper

Michael Clarke Duncan
Bear

Owen Wilson
Oscar

Peter Stormare
Lev Andropov, cosmonaute russe

Stanley Anderson
President

Steve Buscemi
Rockhound

Will Patton
Chick

William Fichtner
Colonel Willie Sharp