A baby dinoshark evolves into a ferocious predatory adult, terrorising tourists and locals offshore from Puerto Vallarta, Mexico.
| Actor | Role |
|---|---|
 Eric BalfourTrace McGraw | Trace McGraw |
 Aarón DíazLuis | Luis |
 Iva HaspergerCarol Brubaker | Carol Brubaker |
 Humberto BustoCalderon | Calderon |
 Liv BoughnLois | Lois |
 Roger CormanDr. Frank Reeves | Dr. Frank Reeves |
| CChristina NicoleRita Valdez | Rita Valdez |
 Dan GoldenMike | Mike |
 Guillermo IvánVictor | Victor |
 Gary J. TunnicliffeJeremy Long | Jeremy Long |
 Sara KovaJade | Jade |
 Blythe MetzTV Newscaster | TV Newscaster |
| JJack Everest HiteEddie | Eddie |
| DDavid Ford HiteEddie’s Father (as David Hite) | Eddie’s Father (as David Hite) |
| AAnna Marie LauritaEddie’s Mother (as Anna Laurita) | Eddie’s Mother (as Anna Laurita) |
| MMike LawrenceMSAR Officer #1 | MSAR Officer #1 |
| CChristian GomezMSAR Officer #2 | MSAR Officer #2 |