| character | description | notable for... |
| Greg | teen #1, a partying jock and boyfriend of Cynthia | throwing up all over his girlfriend |
| Cynthia | teen #2, a blonde bimbo | being topless after being puked on |
| Simon | teen #3, a moronic model-type | getting acid spit on his cheek and worrying more about his looks than the attacking zombies |
| Alicia | teen #4, the main female lead who is careful and suspicious | her immense cleavage |
| Karma | teen #5, just along for the ride | some really stupid lines |
| Captain Kirk | crusty old sea dog who smuggles weapons and cigars | aside from bringing the kids to the island, he ends up arming them with his contraband |
| Salish | Kirk's first mate, who doesn't want to go anywhere near the island because of old legends | having a hook for a hand |
| Casper | Ellie Cornell! (from Halloween 4 and 5) tough, well-armed waterborne cop who follows Kirk's boat to the island | being tough and taking charge |
| McGivers | Casper's deputy, some schmoe who we don't even see until he's an attacking zombie | not being notable |
| Rudy | party survivor #1, Alicia's ex, who just happens to be on the island and is the main male lead | standing out not by doing anything great, but by not doing anything stupid |
| Liberty | party survivor #2, karate chick dressed in red/white/blue spandex | suddenly gaining karate powers, fighting and running while in high heels |
| Hugh | party survivor #3, a dork | filming everything, from zombie attacks to the spandex-clad butt of Liberty, with his handheld camera |
| Castillo | ancient Spanish heathen turned zombie ruler | some pretty good zombie swordplay at the end |
| Tyrrany | Liberty's fellow dancer | dancing topless |
| the DJ | heavily-tattooed DJ chick | her many tattoos |
| the horny young couple | random partygoers who end up on the beach for some hanky-panky | the girl goes skinny-dipping while the guy passes out |