as Philippe Delatour

as Dr. Gene Porter

as Mr. Harter

as Reed Wallace

as Dr. Dayton King

as Self

as Mr. Benson

as Joe Preston

as Dancing Alien

as Montgomery

as Joe

as Ambassador Walker

as Charlie

as Bruce Mathis

as Walter Bernard, Sr.

as Self - Guest

as Self

as Joseph A. Ball

as Self

as Self

as Gardner

as Dan Carlin

as Mr. Maris

as Pierson Bartlett

as Tony Maychek / Earthmover (voice)

as Sam Sadwich

as Self

as Sam

as Aaron Paradis

as Eric Camden

as Tom Aiken

as Bill Bartrand

as Adam Graham

as Roger Billingsley

as

as Dan Broderick

as Clee Donovan

as Jack Fremont

as Gerald Bender

as Dan Broderick

as John Fitzgerald Kennedy

as

as Stephen Dallas

as Attorney

as

as Capt. John Deason

as Billy Grenville Jr.

as Shane O'Neill

as Marty Phillips

as Dr. David Lowell

as Warren Cox

as Peter Hatten

as Dr. Jim Eiseley

as Billy Lee

as Todd Fields

as Jake Cutter

as Karl Hanke

as Josh

as Larrabee

as Greg

as Pete Casimir

as Captain William Decker

as Michael Hillyard

as Young Barry

as Michael

as David Spaulding

as

as Steve Carmody

as Hugh Sloan

as Agent Donald Nash

as

as

as

as Morton Fullerton