Also Known As:
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- Piranha 3D
- Piraña 3D
- Пираньи 3D
- Piraña
- Piraaja 3D
- Pirana 3D
- Piranha
- Piranha 3-D
- Piranhas 3D
- Pirania
- Pirania 3D
- Alexandre Aja
- Pete Goldfinger
- Josh Stolberg
- Richard Dreyfuss ... Matt Boyd
- Ving Rhames ... Deputy Fallon
- Elisabeth Shue ... Sheriff Julie Forester
- Christopher Lloyd ... Mr. Goodman
- Eli Roth ... Wet T-Shirt Host
- Jerry O'Connell ... Derrick Jones
- Cody Longo ... Todd Dupree
- Steven R. McQueen ... Jake Forester
- Jessica Szohr ... Kelly
- Kelly Brook ... Danni
- Riley Steele ... Crystal
- Adam Scott ... Novak
- Ricardo Chavira ... Sam
- Dina Meyer ... Paula
- Paul Scheer ... Andrew
- Brooklynn Proulx ... Laura Forester
- Sage Ryan ... Zane Forester
- Brian Kubach ... Brett
- Ashlynn Brooke ... Cheerleader
- Cavin Gray Schneider ... Frat Boy Driver (as Cavin Gray-Scheider)
- Bo Jacober ... Geeky Party Guy
- Franck Khalfoun ... Deputy Green
- Genevieve Alexandra ... Propeller Girl
- Devra Korwin ... Mrs. Goodman
- Nick Magee ... Boy in Parasail Boat
- Gianna Michaels ... Parasailing Girl
- Bonnie Morgan ... Sorority Girl (Inner-tube)
- Gregory Nicotero ... Boat Captain
- Tim Bishop ... Drunk Kid (cannonball)
- Carmen Prisco ... Drunk Dumb Jock
- Maarsen Roney ... Drunk Laughing Jock
- Jason Spisak ... Deputy Taylor
- Kym Stys ... Trampoline Girl #1
- Nicole Randall ... Trampoline Girl #2
- Christopher Vejnoska ... Party-Goer (floating stage)
- Nancy Walters ... Girl Cut in Half
- Tyrone Williams ... DJ
- Matt Bercia ... Fat Frat Boy
- Heather Arthur ... Cheerleader Car Driver
- Michael G. Barnett ... Cliff Driver #1 (as Mike Barnett)
- T. Ryan Mooney ... Cliff Driver #2
- Donald Fisher ... Cliff Driver #3
- Jeffrey G. Barnett ... Cliff Driver #4 (as Jeffrey Barnett)
- Dana M Cummings ... Deputy Morris
- Devanny Pinn ... Wet T-Shirt Girl
- Tatjana Bluchel ... Spring Breaker
- Steve Chavosky ... Spring Breaker
- Samuel Child ... Deputy
- Rossie Cottrell ... Hot Bikini Girl
- Fernando Duran ... Spring Break Student Victim
- Chantel Gonsalves ... Sorority girl
- Chandra Hawbaker ... Christian Protester
- Vincent Alfonzo Jamal ... Party goer
- J. Lyle Johnson ... Spring breaker
- Eva Lauren ... Spring breaker
- Scarlett O'Neil ... Bikini Girl
- Victoria Paege ... Spring breaker
- Jesse Pruett ... Spring Break Party Student
- Brandon Rice ... Dr. Feelgood
- Bria Roberts ... Wet T-Shirt Girl
- Cami Spiegel ... Pole Boat Dancer
- John Stewart ... Partier
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