A Semester at Sea ship is attacked and sunk by a mutated two-headed shark, and the survivors seek refuge on a deserted atoll. The coeds, however, are no longer safe when the atoll starts flooding.
| Actor | Role |
|---|---|
 Carmen ElectraAnne Babish | Anne Babish |
 Charlie O'ConnellProfessor Babish | Professor Babish |
 Brooke HoganKate | Kate |
 Gerald WebbHan | Han |
| DDavid GallegosPaul | Paul |
 Christina BachDana | Dana |
| AAshley BissingKristen | Kristen |
| MMarckenson CharlesRyan | Ryan |
 Chase ConnerKirk | Kirk |
| MMichael DicarluccioEthan | Ethan |
| LLauren VeraJamie | Jamie |
 Casey KingMike | Mike |
| GGeoff WardCole | Cole |
| MMercedes YoungLiza | Liza |
| SShannan StewartLyndsey | Lyndsey |
| TTihirah TaliaferroMichelle | Michelle |
| CCorinne NobiliKirsten | Kirsten |
 Benjamin JamesAlex | Alex |
 Anna JacksonHaley | Haley |
| AAmber EnglishAlison | Alison |
 Morgan ThompsonLaura | Laura |
| CCollin CarmouzeJeff | Jeff |
| AAnthony E. ValentinDikilla | Dikilla |
| AAlexa ScoreWaterboarder #1 | Waterboarder #1 |
| TTiffany ScoreWaterboarder #2 | Waterboarder #2 |
 Joseph VelezMan #1 | Man #1 |
 Curtis BelzMan #2 | Man #2 |