"When a group of trespassing seniors swim in a pool containing alien cocoons, they find themselves energized with youthful vigor."
Steve Guttenberg
as Jack Bonner
Tahnee Welch
as Kitty
Brian Dennehy
as Walter
Don Ameche
as Arthur Selwyn
Wilford Brimley
as Benjamin Luckett
Hume Cronyn
as Joseph Finley
Maureen Stapleton
as Mary Luckett
Jack Gilford
as Bernie Lefkowitz
Jessica Tandy
as Alma Finley
Clint Howard
as John Dexter
Linda Harrison
as Susan
Gwen Verdon
as Bess McCarthy
Herta Ware
as Rosie Lefkowitz
Barret Oliver
as David
Tyrone Power Jr.
as Pillsbury
Mike Nomad
as Doc
Jorge Gil
as Lou Pine
James Ritz
as DMV Clerk
Charles Rainsbury
as Smiley
Wendy J. Cooke
as Alien
Pamela Prescott
Dinah Sue Rowley
Gabriella Sinclair
Cyndi Vicino
as Bank Teller
Russ Wheeler
as Doctor
Harold Bergman
as Reverend
Ivy Thayer
as Waitress
Fred Broderson
as Kirk
Mark Cheresnick
as Salvatore
Bette Shoor
as Realtor
Mark Simpson
as Coast Guard First Class BM
Robert Slacum Jr.
as Coast Guard Second Class BM
Rance Howard
as St. Petersburg Dectective
Jean Speegle Howard
as Woman
Charles Voelker
as Leader, New Yorkers Dance Band
Irving Krone
as Jasper
Clarence Thomas
as Policeman
Ted Science
Jim Fitzpatrick
as Dock Worker
Tracy Roberts
as Bar Patron
Charles Lampkin
as Pops
Richard D. Zanuck
Producer
James Horner
Original Music Composer
Ron Howard
Director
Donald Peterman
Director of Photography
Daniel P. Hanley
Editor
David Brown
Lili Fini Zanuck
Mike Hill
Tom Benedek
Screenplay
Godfrey Marks
Dialogue Editor
Paul Huston
Visual Effects
David Saperstein
Story
Joseph A. Unsinn
Special Effects Coordinator
Robert Norin
Makeup Artist
Rick Stratton
Ken Ralston
Visual Effects Supervisor
Gary Summers
Sound Designer
Zade Rosenthal
Still Photographer
Laurel Ladevich
Janis Clark
Hairstylist
Aggie Guerard Rodgers
Costume Design
Charlie Mullen
Animation Supervisor
Eddie Marks
Costume Supervisor
John LeBlanc
Camera Operator
Ken M. Suzuki
Gaffer
Penny Perry
Casting
Beverly McDermott
Jordan Klein Sr.
Underwater Camera
Jack T. Collis
Production Design
Jim Duffy
Set Decoration
Gary Rydstrom
Phillip Norwood
Visual Effects Art Director
Keith Peterman
Carline Davis-Dyer
Script Supervisor
Kevin Haney
Bill Kimberlin
Visual Effects Editor
Tony Laudati
Animation Technical Director
Greg Cannom
Makeup Effects
Robert Doudell
Associate Producer
Brian Penikas
David Berry
Scott Farrar
Ralph McQuarrie
Charlie Picerni
Stunts