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
Associate Producer
Don Stern
Original Music Composer
Thomas Chase
Steve Rucker
Director of Photography
Harry Mathias
Editor
Bette Jane Cohen
Casting
Johanna Ray
Art Direction
Michael Novotny
Creature Design
Michael McCracken
Moshe Diamant
Color Timer
Josh Rushton