Directed by Ron Howard
Produced by David Brown, Lili Fini Zanuck, Richard D. Zanuck
Associate Producer : Robert Doudell
Based on Novel by David Saperstein
Written by Tom Benedek
Cinematography by Donald Peterman
Film Editing by Daniel P. Hanley, Mike Hill
Music by James Horner
Song "Gravity" by Michael Sembello
Casting by Penny Perry
Production Design by Jack T. Collis
Set Decoration by Jim Duffy
Costume Design by Aggie Guerard Rodgers
Special Makeup Effects : Greg Cannom, Brian Penikas
Makeup : Kevin Haney, Robert Norin, Rick Stratton
Conceptual Artist : Ralph McQuarrie
Special Creature Consultant : Rick Baker
Special Alien Creature Effects : Greg Cannom
Creature Effects : Michael Burnett, Stuart Artingstall, Robert Clark, Tony Gardner, Camilla Henneman, Tom Hester, Kevin Yagher, Bill Sturgeon, Craig Caton, Alec Gillis, Shawn McEnroe
Alien Movement Choreographer : Caprice Rothe
Alien Effects Crew : Tony Gardner
Visual Effects Supervisor : Ken Ralston
Visual Effects Optical Supervisor : David Berry
Visual Effects Production Supervisor : Mitch Suskin
Visual Effects Animation Supervisor : Charlie Mullen
Visual Effects : Pamela Marcotte
Visual Effects Equipment Engineering Supervisor : Mike MacKenzie
Visual Effects Still Photography : Kerry Nordquist
Visual Effects Art Director : Phillip Norwood
Visual Effects Supervising Model Maker : Steve Gawley
Model Maker : William Beck, Michael Fulmer, Ira Keeler
Matte Painting Supervisor : Christopher Evans
Matte Photography Supervisor : Craig Barron
Matte Artist : Caroleen Green
Cloud Tank Technician : Robert Finley Jr.
Stop Motion Supervisor : David Sosalla
Stop Motion Technician : Sean M. Casey, Anthony Laudati, Margot Phillips, Tom St. Amand
Cast
Don Ameche (Arthur 'Art' Selwyn)
Wilford Brimley (Benjamin 'Ben' Luckett)
Hume Cronyn (Joseph 'Joe' Finley)
Brian Dennehy (Walter, Alien Leader)
Jack Gilford (Bernard 'Bernie' Lefkowitz)
Steve Guttenberg (Jack Bonner, Skipper of Manta III)
Maureen Stapleton (Marilyn 'Mary' Luckett)
Jessica Tandy (Alma Finley)
Gwen Verdon (Bess McCarthy/Selwyn)
Herta Ware (Rosie 'Rose' Lefkowitz)
Tahnee Welch (Kitty, Alien)
Barret Oliver (David, Ben & Mary's Grandson)
Linda Harrison (Susan, Ben & Mary's Daughter)
Tyrone Power Jr. (Pillsbury, Alien)
Clint Howard (John Dexter, Attendant at Sunny Shores Retirement Community)
Charles Lampkin (Pops, Sunny Shores Resident)
Mike Nomad (Doc)
Jorge Gil (Lou Pine)
James Ritz (DMV Clerk)
Charles Rainsbury (Smiley)
Wendy J. Cooke (Alien)
Pamela Prescott (Alien)
Dinah Sue Rowley (Alien)
Gabriella Sinclair (Alien)
Cyndi Vicino (Bank Teller closing Art's Account)
Russ Wheeler (Doctor)
Harold Bergman (Reverend)
Ivy Thayer (Waitress)
Fred Broderson (Kirk, Dock Master)
Mark Cheresnick (Salvatore)
Bette Shoor (Realtor)
Mark Simpson (Coast Guard First Class BM)
Robert Slacum Jr. (Coast Guard Second Class BM)
Rance Howard (St. Petersburg Dectective)
Jean Speegle Howard (Woman)
Charles Voelker (Leader, New Yorkers Dance Band)
Irving Krone (Jasper)
Clarence Thomas (Policeman)
Ted Science (Policeman)
Jim Fitzpatrick (Dock Worker)
Tracy Roberts (Bar Patron)