Gail and Tom Hartman are struggling to stay together and decide to take a white-water rafting holiday adventure in Montana for their son Roarke's 10th birthday, only to meet up with a pair of mysterious men whose desperation grows, turning their vacation into a nightmare.
| Actor | Role |
|---|---|
 Meryl StreepGail Hartman | Gail Hartman |
 David StrathairnTom Hartman | Tom Hartman |
 Kevin BaconWade | Wade |
 John C. ReillyTerry | Terry |
 Joseph MazzelloRoarke Hartman | Roarke Hartman |
 Benjamin BrattRanger Johnny | Ranger Johnny |
 William LuckingFrank | Frank |
 Stephanie SawyerWilla | Willa |
 Elizabeth HoffmanGail's Mother | Gail's Mother |
 Victor GallowayGail's Father | Gail's Father |
 Diane DelanoRanger | Ranger |
 Thomas F. DuffyRanger | Ranger |
| PPaul CantelonViolinist | Violinist |
 Glenn MorshowerPoliceman | Policeman |