Steven Spielberg	...	(Director)
Steven Spielberg	...	(Writer)
Richard Dreyfuss	...	Roy Neary
François Truffaut	...	Claude Lacombe
Teri Garr	...	Ronnie Neary
Melinda Dillon	...	Gillian Guiler
Bob Balaban	...	David Laughlin
J. Patrick McNamara	...	Project Leader
Warren J. Kemmerling	...	Wild Bill ('Major Walsh') (as Warren Kemmerling)
Roberts Blossom	...	Farmer
Philip Dodds	...	Jean Claude
Cary Guffey	...	Barry Guiler
Shawn Bishop	...	Brad Neary
Adrienne Campbell	...	Sylvia Neary
Justin Dreyfuss	...	Toby Neary
Lance Henriksen	...	Robert
Merrill Connally	...	Team Leader
Vilmos Zsigmond	...	Cinematographer
Michael Kahn	...	Editor

Summary: Roy Neary sets out to investigate a power outage when his truck stalls and he is bathed in light from above. After this, strange visions and five musical notes keep running through his mind. Will he find the meaning of the visions, and who - or what - placed them in his mind ?