Maddy

Barry

Shelby

Josh

Chet

Kyle

Big Dave

Travis

Ashley

David Hasselhoff

Mr. Goodman

Andrew

Clayton

Mo

Bethany

Freckled Boy

Young Mother

Rochelle

Dawn

Hysteric / Stocky Woman

Fearful Woman

Waterpark Patron

Bimbo Lifeguard

Kiki

Deputy Fallon (uncredited)

Massacre victim (uncredited)

Lizzie the Lifeguard (uncredited)

Wet T-Shirt Girl (uncredited)

Lifeguard (uncredited)

"A" Camera Operator

Director of Photography

Characters

Writer

Writer

Characters

Writer

Editor

Editor

Editor

Digital Intermediate Producer

Producer

Producer

Casting

Producer

Production Coordinator

Executive Producer

Executive Producer's Assistant

Executive Producer

Original Music Composer

Supervising Music Editor

Sound Effects Editor

Music Editor

Music Supervisor

Supervising Sound Editor

Sound Effects Editor

Dialogue Editor

Dialogue Editor

Production Design

Art Department Coordinator

Set Decoration

Director

First Assistant Director

Script Supervisor

Visual Effects

Visual Effects Supervisor

Special Effects Supervisor

Stunt Double

Stunt Double

Utility Stunts

Stunt Double

Utility Stunts

Stunts

Stunt Coordinator

Key Hair Stylist

Key Makeup Artist

Makeup Department Head

Costume Supervisor

Key Costumer

Costume Design