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.
Harry Truman
David Jackson
Linda Steele
Clyde Whittaker
Otis Kaylor
Sheriff Wayne Temple
Kilpatrick
Hendricks
Mr. Ellison
David Crockett
Lloyd Wagner
Col. Arnholt
Dr. Romarantin
Newscaster
Reeder
Schmitty
Chad
Curry
Bedsoe
Patty Jean
Bandleader
Pamela
Cook
English Reporter
Photographer
Shopkeeper
Ginny
Radio Operator
Resnick
Cindy
Mrs. Ellison
Stunt Man
Stunt Man
Reporter #1
Reporter #2
Girl on the Street
Stunt Girl
Stunt Baby
Logger #1
Logger #2
Logger #3
Guardsman
News Director
Man Watching TV
Narrator (voice) (uncredited)
