An investigator seeking the cause of an airline disaster discovers the involvement of an organisation of time travellers from a future Earth irreparably polluted who seek to rejuvenate the human race from those about to die in the past. Based on a novel by John Varley.
- Michael Anderson.....Director
- Kris Kristofferson.....Bill Smith
- Cheryl Ladd.....Louise Baltimore
- Daniel J. Travanti.....Dr. Arnold Mayer
- Robert Joy.....Sherman the Robot
- Lloyd Bochner.....Walters
- Brent Carver.....Coventry