Casting Rencontres du troisième type
Acteurs et actrices
Richard Dreyfuss
Rôle : Roy Neary
François Truffaut
Rôle : Claude Lacombe
Teri Garr
Rôle : Ronnie Neary
Melinda Dillon
Rôle : Jillian Guiler
Bob Balaban
Rôle : David Laughlin
J. Patrick McNamara
Rôle : Project Leader
Warren J. Kemmerling
Rôle : Wild Bill
Roberts Blossom
Rôle : Farmer
Et aussi :
- ARP Musician ARP Musician Phil Dodds
- Barry Guiler Barry Guiler Cary Guffey
- Brad Neary Brad Neary Shawn Bishop
- Sylvia Neary Sylvia Neary Adrienne Campbell
- Toby Neary Toby Neary Justin Dreyfuss
- Robert Robert Lance Henriksen
- Team Leader Team Leader Merrill Connally
- Implantee Implantee Amy Douglass
- Ike Ike Gene Dynarski
- Military Policeman Military Policeman Carl Weathers
- Norman Bartold Norman Bartold Norman Bartold
- ARP Project Member ARP Project Member F.J. O'Neil
- Returnee #2 Flt. 19 Returnee #2 Flt. 19 Hal Barwood
- Returnee #3 Flt. 19 Returnee #3 Flt. 19 Matthew Robbins
- Hawker Hawker Gene Rader
- Federale Federale Daniel Nunez
- Federale Federale Chuy Franco
- Federale Federale Luis Contreras
- Special Forces Special Forces Galen Thompson
- Special Forces Special Forces John Dennis Johnston
- Dirty Tricks #3 Dirty Tricks #3 Robert Broyles
- Special Forces Commander / Helicopter Pilot (uncredited) Special Forces Commander / Helicopter Pilot (uncredited) Monty Jordan
- Longly (uncredited) Longly (uncredited) Basil Hoffman
- UN Observer (uncredited) UN Observer (uncredited) Stephen Powers
- Major Benchley Major Benchley George DiCenzo
- Implantee Implantee Alexander Lockwood
- Larry Butler Larry Butler Josef Sommer
- Air Traffic Air Traffic Bill Thurman
- Radio Telescope Team Radio Telescope Team James Keane
- Himself - Smoking Pipe at Landing Site (uncredited) Himself - Smoking Pipe at Landing Site (uncredited) J. Allen Hynek
- Howard K. Smith (uncredited) Howard K. Smith (uncredited) Howard K. Smith
- Jean Claude Jean Claude Philip Dodds
- Mrs. Harris Mrs. Harris Mary Gafrey
- Himself Himself Michael J. Dyer
- Highway Patrolman Highway Patrolman Roger Ernest
- Returnee #1 Flt. 19 Returnee #1 Flt. 19 Randy Hermann
- Air Traffic Controller Air Traffic Controller David Anderson
- Air Traffic Controller Air Traffic Controller Richard L. Hawkins
- Air Traffic Air Traffic Craig Shreeve
- Air East Pilot Air East Pilot Roy E. Richards
- Federale Federale Eumenio Blanco
- Radio Telescope Team Radio Telescope Team Dennis McMullen
- Radio Telescope Team Radio Telescope Team Cy Young
- Radio Telescope Team Radio Telescope Team Tom Howard
- Truck Dispatcher Truck Dispatcher Richard Stuart
- Load Dispatcher Load Dispatcher Bob Westmoreland
- Support Leader Support Leader Matt Emery
- Dirty Tricks #1 Dirty Tricks #1 John Ewing
- Dirty Tricks #4 Dirty Tricks #4 Kirk Raymond
- Dirty Tricks #2 Dirty Tricks #2 Keith Atkinson
Réalisateurs
Steven Spielberg
Rôle : Director
Scénaristes
Steven Spielberg
Rôle : Writer
Matthew Robbins
Rôle : Writer
Hal Barwood
Rôle : Writer
Jerry Belson
Rôle : Writer
John Hill
Rôle : Writer
Producteurs
Clark L. Paylow
Rôle : Producer
Julia Phillips
Rôle : Producer
Michael Phillips
Rôle : Producer