Walter Koenig
Col. Jason Grant
Walter Koenig
Col. Jason Grant
Bruce Campbell
Ray Tanner
Robert Kurcz
Koreman
Leigh Lombardi
Mera
Tom Case
Beck
Judy Levitt
Intrepid Commander
Reavis Graham
Haskell
Reuben Yabuku
Intrepid Pilot
Doug Childs
Grant's Son
Mariafae Mytnyk
Research Assistant
Robert Dyke
Director
Tex Ragsdale
Screenplay
Robert Dyke
Producer
Joseph LoDuca
Music
Peter Klein
Director of Photography
Steven C. Craig
Editor
Kevin Tent
Editor
B.K. Taylor
Production Design
Larry Fox
Art Direction
Peter M. Gurski
Art Direction
Michele Poulik
Set Decoration
Deborah K. Larsen
Costume Design
Gary Cooney
Hairstylist
Jeffrey M. Jones
Sound Effects Editor
Sheldon J. Nueman
Sound Engineer
Ted Lindsey
Camera Operator
Dan Danilowicz
Still Photographer
Donnie Allen
Gaffer
Rebecca Poulos
Script Supervisor
Gary Jones
Special Effects