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This summer take a trip you'll never forget.

Test pilot Tuck Pendleton volunteers to test a special vessel for a miniaturization experiment. Accidentally injected into a neurotic hypochondriac, Jack Putter, Tuck must convince Jack to find his ex-girlfriend, Lydia Maxwell, to help him extract Tuck and his ship and re-enlarge them before his oxygen runs out.

James Kearney voted See
Martin Short as Jack Putter
Dennis Quaid as Lt. Tuck Pendleton
Meg Ryan as Lydia Maxwell
Kevin McCarthy as Victor Eugene Scrimshaw
Fiona Lewis as Dr. Margaret Canker
Vernon Wells as Mr. Igoe
Robert Picardo as The Cowboy
Dick Miller as Cab Driver
Wendy Schaal as Wendy
Harold Sylvester as Pete Blanchard
William Schallert as Dr. Greenbush
Henry Gibson as Mr. Wormwood
John Hora as Ozzie Wexler
Mark L. Taylor as Dr. Niles
Orson Bean as Lydia's Editor
Kevin Hooks as Duane
Kathleen Freeman as Dream Lady
Archie Hahn as Messenger
Kenneth Tobey as Man in Restroom
Joe Flaherty as Waiting Room Patient
Andrea Martin as Waiting Room Patient
Jason Laskay as Scrimshaw's Henchman
Frank Miller as Scrimshaw's Henchman
Christine Avila as Lab Technician
Alexandra Borrie as Lab Technician
Jenny Gago as Lab Technician
Robert Gounley as Lab Technician
Grainger Hines as Rusty
Mike Garibaldi as Cop
Richard McGonagle as Cop
Terence McGovern as Travel Agent
Robert Neches as Lab Guard
Rance Howard as Supermarket Customer
Chuck Jones as Supermarket Customer
Laura Waterbury as Supermarket Customer
Kurt Braunreiter as Lab Assault Henchman
Brewster Sears as Lab Assault Henchman
Alan Blumenfeld as Man with Camera
Jeffrey Boam as Lydia's Interviewee
Sydne Squire as Stewardess
Paul Barselou as Man on Plane
John Miranda as Man in Elevator
Jordan Benjamin as Little Kid in Mall
Roberto Ramirez as Chef
Virginia Boyle as Shopping Lady
Herb Mitchell as Camera Store Clerk
Neil Ross as Pod Computer (voice)
Robert Gray as Lab Assault Henchman
Frank Marshall Producer
Kathleen Kennedy Producer
Jon Peters Producer
Steven Spielberg Producer
Jerry Goldsmith Original Music Composer
Jeffrey Boam Screenplay
Chip Proser Screenplay
Mark Goldblatt Editor
Pete Kozachik Special Effects
Joe Dante Director
Michael Wood Special Effects Supervisor