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.
| Directing | Ernest Pintoff | Director |
| Crew | BJ Davis | Stunt Double |
| Crew | Beau Davis | Stunts |
| Directing | BJ Davis | Second Unit Director |
| Crew | BJ Davis | Stunt Coordinator |
| Crew | Julie Rice Davis | Stunts |
| Crew | BJ Davis | Stunts |
| Writing | Michael T. Murphy | Story |
| Writing | Larry Sturholm | Story |
| Writing | Peter Bellwood | Screenplay |
| Writing | Larry Ferguson | Screenplay |
| Production | Peter S. Davis | Producer |
| Production | William N. Panzer | Producer |
| Production | Tom Jacobson | Associate Producer |
| Production | William Bartman | Associate Producer |
| Production | Otto Sieber | Associate Producer |
| Production | Michael T. Murphy | Executive Producer |
| Camera | Jacques Haitkin | Director of Photography |
| Editing | George Berndt | Editor |
| Production | William Bartman | Casting |
| Art | Michael Erler | Art Direction |
| Art | Cyd Smyllie | Set Decoration |
| Costume & Make-Up | Doris Bettencourt | Costume Design |
| Costume & Make-Up | Julie Rice Davis | Makeup Artist |
| Production | Tom Jacobson | Unit Production Manager |
| Crew | Richard Albain | Special Effects |
