Roy Neary

Claude Lacombe

Ronnie Neary

Jillian Guiler

David Laughlin

Project Leader

Wild Bill

Farmer

ARP Musician

Barry Guiler

Brad Neary

Sylvia Neary

Toby Neary

Robert

Team Leader

Implantee

Ike

Military Policeman

Norman Bartold

ARP Project Member

Returnee #2 Flt. 19

Returnee #3 Flt. 19

Hawker

Federale

Federale

Federale

Special Forces

Special Forces

Dirty Tricks #3

Special Forces Commander / Helicopter Pilot (uncredited)

Longly (uncredited)

UN Observer (uncredited)

Major Benchley

Implantee

Larry Butler

Air Traffic

Radio Telescope Team

Man Smoking Pipe at Landing Site (uncredited)

Howard K. Smith (uncredited)

Jean Claude

Mrs. Harris

Himself

Highway Patrolman

Returnee #1 Flt. 19

Air Traffic Controller

Air Traffic Controller

Air Traffic

Air East Pilot

Federale

Radio Telescope Team

Radio Telescope Team

Radio Telescope Team

Truck Dispatcher

Load Dispatcher

Support Leader

Dirty Tricks #1

Dirty Tricks #4

Dirty Tricks #2