Val Kilmer

Chris Knight

Gabriel Jarret

Mitch Taylor

Michelle Meyrink

Jordan

William Atherton

Professor Hathaway

Robert Prescott

Kent

Louis Giambalvo

Major Carnagle

Jon Gries

Lazlo Hollyfeld

Ed Lauter

CIA Man Decker

Stacy Peralta

Shuttle Pilot

Daniel Ades

Laser Ray Victim

Beau Billingslea

George

Charles Parks

Larry

Sean Frye

Boy at Science Fair

JoAnn Willette

Girl at Science Fair

Joanne Baron

Mrs. Taylor

Harry Johnson

Darlington Recruiter

Patti D'Arbanville

Sherry Nugil

Monte Landis

Dr. Dodd

Sandy Martin

Mrs. Meredith

Severn Darden

Dr. Meredith

Randy Lowell

Cornell

Tommy Swerdlow

Bodie

Brett Miller

Carpet Man

Dean Devlin

Milton

Yuji Okumoto

Fenton

Lynda Wiesmeier

Chris' Girl at Party

Penny Baker

Ick's Girl at Party

Marcia Karr

Cornell's Girl at Party

Isabel Cooley

TV Stage Manager

Deborah Foreman

Susan

Michael Crabtree

Air Force Gate Guard

Peter Parros

Air Force Gate Guard

Jeanne Mori

Laser Technician

David Ursin

Engineer

Kimberly Spak

Girl in Popcorn (uncredited)