| Person | Type | Job | Role(s) |
|---|---|---|---|
 Ashley Cusato | Crew | Crew | Utility Stunts |
 Bo Webb | Crew | Camera | "A" Camera Operator |
 Bob Weinstein | Crew | Production | Executive Producer |
Catherine Bayley | Crew | Costume & Make-Up | Key Costumer |
David Beavis | Crew | Visual Effects | Special Effects Supervisor |
Elia Cmiral | Crew | Sound | Original Music Composer |
 Harvey Weinstein | Crew | Production | Executive Producer |
 Jennifer Badger | Crew | Crew | Stunt Double |
 Joel Soisson | Crew | Production | Producer, Writer |
John Copeman | Crew | Crew | Stunt Coordinator |
 John Gulager | Crew | Directing | Director |
 Josh Stolberg | Crew | Writing | Characters |
 Kirk M. Morri | Crew | Editing | Editor |
Marc Toberoff | Crew | Production | Producer |
 Mark Canton | Crew | Production | Producer |
Matt Friedman | Crew | Sound | Music Editor |
Mike Flicker | Crew | Sound | Supervising Music Editor |
 Nancy Nayor | Crew | Production | Casting |
Thurston Edwards | Crew | Art | Set Decoration |
Trip Brock | Crew | Sound | Supervising Sound Editor |
 Alexandre Lehmann | Crew | Camera | Director of Photography |
Alisa Fredericks | Crew | Directing | First Assistant Director |
Carol Cutshall | Crew | Costume & Make-Up | Costume Design |
Devin C. Lussier | Crew | Editing | Editor |
Ermanno Di Febo-Orsini | Crew | Art | Production Design |
 Jackie Johnson | Crew | Sound | Dialogue Editor |
 Marcus Dunstan | Crew | Writing | Writer |
Martin Bernfeld | Crew | Editing | Editor |
 Patrick Melton | Crew | Writing | Writer |
 Pete Goldfinger | Crew | Writing | Characters |
Peter D. Lago | Crew | Sound | Sound Effects Editor |
Alexander Pugh | Crew | Sound | Sound Effects Editor |
Amber Harley | Crew | Directing | Script Supervisor |
Ian Shedd | Crew | Sound | Dialogue Editor |
Jason Salzman | Crew | Production | Production Coordinator |
Richard Glasser | Crew | Sound | Music Supervisor |
Dino Muccio | Crew | Crew | Utility Stunts |
Victor M. Giarrusso | Crew | Costume & Make-Up | Costume Supervisor |
Kari Delaney | Crew | Costume & Make-Up | Key Hair Stylist |
Holly Sago | Crew | Costume & Make-Up | Key Makeup Artist |
Cecilia Veradi | Crew | Costume & Make-Up | Makeup Department Head |
Emma Madeline Ross | Crew | Art | Art Department Coordinator |
Jeff Lietz | Crew | Visual Effects | Visual Effects Supervisor |
Tina Fuchs Wanner | Crew | Crew | Stunt Double |
 Keith Levine | Crew | Production | Executive Producer's Assistant |
Angelique Fawcette | Crew | Crew | Stunt Double |
Pratik Chaudhari | Crew | Visual Effects | Visual Effects |
 Adrian Martinez | Cast | Actor | Big Dave |
 Christopher Lloyd | Cast | Actor | Mr. Goodman |
 Clu Gulager | Cast | Actor | Mo |
 David Hasselhoff | Cast | Actor | David Hasselhoff |
 David Koechner | Cast | Actor | Chet |
 Gary Busey | Cast | Actor | Clayton |
 Ving Rhames | Cast | Actor | Deputy Fallon (uncredited) |
 Danielle Panabaker | Cast | Actress | Maddy |
 Jean-Luc Bilodeau | Cast | Actor | Josh |
 Matt Bush | Cast | Actor | Barry |
 Nate Panning | Cast | Actor | Waterpark Patron |
 Paul Scheer | Cast | Actor | Andrew |
 Sierra Fisk | Cast | Actress | Bethany |
 Sylvia Jefferies | Cast | Actress | Young Mother |
 Alisa Harris | Cast | Actress | Hysteric / Stocky Woman |
 Chris Zylka | Cast | Actor | Kyle |
 Kathy Sue Holtorf | Cast | Actress | Bimbo Lifeguard |
 Katrina Bowden | Cast | Actress | Shelby |
 Matt Lintz | Cast | Actor | Freckled Boy |
 Meagan Tandy | Cast | Actress | Ashley |
 Stacy Rabon | Cast | Actress | Fearful Woman |
 Irina Voronina | Cast | Actress | Kiki |
 Tabitha Taylor | Cast | Actress | Lifeguard (uncredited) |
Paul James Jordan | Cast | Actor | Travis |
 Jenna Hurt | Cast | Actress | Rochelle |
Katie Garner | Cast | Lizzie the Lifeguard (uncredited) | |
Lilith Fury | Cast | Actress | Wet T-Shirt Girl (uncredited) |
 Sarah Wilson | Cast | Actress | Massacre victim (uncredited) |
 Rozlyn Papa | Cast | Actress | Dawn |
| Person | Type | Job | Role(s) |
