Mike Davison
Stan Ivar
Beth Sladen
Wendy Schaal
Loudspeaker - Concord (voice)
Eileen Seeley
David Perkins
Lyman Ward
Hans Rudy Hofner
Klaus Kinski
Dr. Wendy H. Oliver
Annette McCarthy
Susan Delambre
Marie Laurin
Jon Fennel
Robert Jaffe
Melanie Bryce
Diane Salinger
Astronaut #1
John Stinson
Concord Technician #1
Buckley Norris
Director
William Malone
Writer
Producer
Special Effects
Doug Beswick
Alan Reed
Stunt Coordinator
Randy Popplewell
Stunts
William G. Dunn
Executive Producer
Ronnie Hadar
Art Direction
Michael Novotny
Director of Photography
Harry Mathias
Original Music Composer
Steve Rucker
Casting
Johanna Ray
Creature Design
Michael McCracken
Associate Producer
Don Stern
Thomas Chase
Editor
Bette Jane Cohen
Moshe Diamant
Color Timer
Josh Rushton