Two helicopter pilots rush aid to a small town devastated by a flood following the collapse of an aging dam.

Robert Culp
as Steve Brannigan

Martin Milner
as Paul Burke

Barbara Hershey
as Mary Cutler

Richard Basehart
as John Cutler

Carol Lynley
as Abbie Adams

Roddy McDowall
as Mr. Franklin

Cameron Mitchell
as Sam Adams

Eric Olson
as Andy Cutler

Teresa Wright
as Alice Cutler

Francine York
as Daisy Kempel