| Cast list | | Pierce Brosnan | as | Harry Dalton | | Linda Hamilton | as | Rachel Wando | | Charles Hallahan | as | Paul Dreyfus | | Jamie Renée Smith | as | Lauren Wando | | Jeremy Foley | as | Graham Wando | | Elizabeth Hoffman | as | Ruth | | Grant Heslov | as | Greg, USGS Crew | | Kirk Trutner | as | Terry, USGS Crew | | Arabella Field | as | Nancy, USGS Crew | | Tzi Ma | as | Stan, USGS Crew | | Brian Reddy | as | Les Worrell | | Lee Garlington | as | Dr. Jane Fox | | Bill Bolender | as | Sheriff Turner | | Carole Androsky | as | Mary Kelly (as Carol Androsky) | | Peter Jason | as | Norman Gates |
| | Crew list: | | Roger Donaldson (Director) | | Leslie Bohem (Writer) |
|
