Guest Stars Richard Eastham as Steven Brinks Peter MacLean as Teague Lee De Broux as Hank Beddoes Ellen Bry as Vanessa Ashley Barry Nelson as Dr. Singleton Edward Winter as Buck Fulton Gary Swanson as Jim Webster Co Starring Joel Lawrence as Mullins Joan Young as NASA Technician Mykelti Williamson as Eddie Jon Van Ness as Ralph Lloyd Bremseth as K.C.