 Blake CooperBobby Marks | Bobby Marks |
 Donald SutherlandDr. Kahn | Dr. Kahn |
 Luke WilsonMarty Marks | Marty Marks |
 Liana LiberatoMichelle Marks | Michelle Marks |
 Danielle Rose RussellJoanie Williams | Joanie Williams |
 Luke BenwardPete Marino | Pete Marino |
 Sam KeeleyJim Smith | Jim Smith |
 Beau KnappWillie Rumson | Willie Rumson |
 Judy GreerLenore Marks | Lenore Marks |
| RRyan BoudreauDougie Newman | Dougie Newman |
| SShayna BredbeckConnie Marino | Connie Marino |
 Brian FahertySheriff Rumson | Sheriff Rumson |
 Joanna HerringtonJanice Williams | Janice Williams |
 Lexie RothBeach Goer (uncredited) | Beach Goer (uncredited) |
| HHaley PineBeach Goer (uncredited) | Beach Goer (uncredited) |
 Peter HarrisBeach Goer (uncredited) | Beach Goer (uncredited) |
| AAlex MaderaBeach Goer (uncredited) | Beach Goer (uncredited) |
| JJessica KentBeach Goer (uncredited) | Beach Goer (uncredited) |
 Connor HoldenCarnival Player (uncredited) | Carnival Player (uncredited) |
| RRosario CorsoHippie Beach Goer (uncredited) | Hippie Beach Goer (uncredited) |
| CChristopher AlanHi Striker (uncredited) | Hi Striker (uncredited) |
| RRaquel WallaceBeach Goer (uncredited) | Beach Goer (uncredited) |
| JJessica ArsenianBeach Goer (uncredited) | Beach Goer (uncredited) |
| SSeamus KnightTaunting Kid (uncredited) | Taunting Kid (uncredited) |
| EElla KuckesBeach Goer (uncredited) | Beach Goer (uncredited) |
| BBrandon GarveyBeach Goer (uncredited) | Beach Goer (uncredited) |
