Harry Forbes
Darren McGavin
Steve Bancroft
Gary Collins
Sheriff Barlow
Cliff Osmond
Neal Kelso
Andrew Bloch
Sam Tate
Stuart Pankin
Flo Mattson
Betty Ann Carr
Flight Director
H.M. Wynant
Ace Landon
Bill Zuckert
MIB #1
Michael Irving
MIB #2
Bruce Katzman
MIB #3 (as Ed E. Carroll)
Eddie Carroll
MIB #4
Jesse Bennett
Gordon Cain
Robert Vaughn
Helicopter Pilot
Robert Bristol
Judd Gates
J.R. Clark
Captain Wyatt
Craig Clyde
NASA Official
John William Galt
Technician
Anne Galvan
Pilot
Ken Hepner
Barman
Peter Liakakis
Female Specimen
Debrah Macfarlane
A.F. Captain (as Chet Norris)
Chesley Noone
CAPCOM Officer
H.E.D. Redford
Lew Price
James Hampton
Payload Officer
Max Robinson
A.F. Guard
Ocie Robinson
George Turner
Michael Ruud
Flight Activity Officer
Scott Wilkinson
Frank Morrison
Philip Abbott
Frank Lafferty
Joseph Campanella
Sarah Michaels
Pamela Bellwood
Phil Cameron
Tom Hallick
Paul Bannister
Steven Keats
Professor Mills
William Schallert
Stunts
Debbie Evans
Director
James L. Conway
Story
Original Music Composer
John Cacavas
Screenplay
Ken Pettus
Producer
Charles E. Sellier Jr.
Set Decoration
Randy Staheli
Hairstylist
Peter Tothpal
Makeup Effects
Ken Horn
Art Direction
Chip Radaelli
Costume Design
Julie Staheli
Thomas C. Chapman
Makeup Artist
Karoly Balazs
Editor
Michael Spence
Casting
Amy Schreiber
Associate Producer
Bill Cornford
Director of Photography
Paul Hipp
Production Design
Paul Staheli
Script Supervisor
Jackie Saunders
Stunt Coordinator
Tom Lupo
Tom Elliott
Greg Brickman