Centers on the events leading up to the cataclysmic 1980 eruption of Mount St. Helens in Washington, with the story beginning on the day volcanic activity started on March 20, 1980, and ending on the day of the eruption, May 18, 1980.
Art Carney
David Huffman
Cassie Yates
Albert Salmi
Ron O'Neal
Tim Thomerson
Bill McKinney
Redmond Gleeson
Nehemiah Persoff
Brendan Burns
Henry Darrow
Danny Chambers
Biff Manard
Joseph Benti
Clark Christiansen
Frank Ellis
Sean Abbott
Denny Arnold
BJ Davis
Patricia King
Corky Courson
Julie Phillips
Mary Jane Heelebuyck
Peter Bellwood
Susan Gelb
Steve Sheldon
Stacie Joyce
Murl Lee Morris
William Bartman
Diana Fiske
Carol Bryant
Ray Lykins
Eddie Braun
Clarence Altkin
John Boylen
Renee Braswell
Julie Rice Davis
Beau Davis
Dennis Murphy
Wiley Ellis
Randy Nawalaniec
Van Hurst
Thomas Lovingier
Tony Scalese
Don LaFontaine