Staff and students at a rural school react to a warning of an imminent nuclear attack, not knowing whether it is real or mistaken.
Jane Connell
as Mrs. Maxton
William Daniels
as Mr. Calkins
James Frawley
as Truck Driver
Richard Hamilton
as JoAnn's Father
Kathryn Hays
as Mrs. Betty Forbes
Jane Hoffman
as Mrs. Hayworth
Elena Karam
as Don & Trudy's Mother
Judith Lowry
as Luke's Grandmother
Nancy Marchand
as Mrs. Andrews
Estelle Parsons
as JoAnn's Mother
Doug Chapin
as Gary
Miles Chapin
as Joel
