An environmental catastrophe destroys civilization. Led by father John and mother Ann, the Custance clan sets out on a quest for safety in a savage world that may just end up turning them into the very thing they are fleeing.
Director: Cornel Wilde
Cast:Nigel Davenport , Jean Wallace , John Hamill , Lynne Frederick , Patrick Holt , Ruth Kettlewell , M.J. Mathews , Michael Percival , Tex Fuller , Simon Merrick , Anthony Sharp , George Coulouris , Anthony May , Wendy Richard , Max Hartnell , John Lewis , Norman Atkyns , Nigel Rathbone