Val Kilmer as Chris Knight

Gabriel Jarret as Mitch Taylor

Michelle Meyrink as Jordan

William Atherton as Professor Hathaway

Robert Prescott as Kent

Louis Giambalvo as Major Carnagle

Jon Gries as Lazlo Hollyfeld

Ed Lauter as CIA Man Decker

Stacy Peralta as Shuttle Pilot

Daniel Ades as Laser Ray Victim

Andres Aybar as Bartender

Charles Shull as Air Force General

Beau Billingslea as George

Charles Parks as Larry

Sean Frye as Boy at Science Fair

JoAnn Willette as Girl at Science Fair

Ina Gould as Old Lady

Nadine Vix as Student at Science Fair

Paul Tulley as Mr. Taylor

Joanne Baron as Mrs. Taylor

Harry Johnson as Darlington Recruiter

Patti D'Arbanville as Sherry Nugil

Monte Landis as Dr. Dodd

Sandy Martin as Mrs. Meredith

Severn Darden as Dr. Meredith

Randy Lowell as Cornell

John Shepherd Reid as Carter

Tommy Swerdlow as Bodie

Mark Kamiyama as 'Ick' Ikagami

Martin Gundersen as Math Professor

Brett Miller as Carpet Man

Dean Devlin as Milton

Yuji Okumoto as Fenton

Lynda Wiesmeier as Chris' Girl at Party

Penny Baker as Ick's Girl at Party

Marcia Karr as Cornell's Girl at Party

Isabelle Walker as Girl at Party

Marii Mak as Girl at Party

Cheri Wells as Girl at Party

Catherine MacNamara as Girl at Party

Johnny Vasily as Student

Ed Garrabrandt as TV Makeup Man

Isabel Cooley as TV Stage Manager

Robin Stober as Waitress

Deborah Foreman as Susan

David Marvit as Student in Hall

Michael Crabtree as Air Force Gate Guard

Charles Sweigart as Air Force Gate Guard

Peter Parros as Air Force Gate Guard

Ronald Taylor as Computer Technician

James Carrington as Air Force Major

Michael Backes as Air Force Controller

Corki Grazer as Air Force Sergeant

Jeanne Mori as Laser Technician

David Ursin as Engineer

Joe Dorsey as Congressman

Will Knox as Laser Specialist

Kevin Hurley as Air Force Technician

Kimberly Spak as Girl in Popcorn (uncredited)