Piranha 3 3D

Piranha 3D3 is a 2013 sequel to Piranha 3D and 3DD. It stars Meagan Good, Andrew Garfield, Mary Elizabeth Winstead, Arlen Escarpeta, Thomas Dekker, Christopher Lloyd, Phoebe Tonkin, Crystal Lowe.and Mel Gibson

Summary
The Piranha's are evolved and it's up to Amber and her friends to stop them.

Cast

 * Meagan Good as Amber Fields/The heroine
 * Andrew Garfield as Leonard/Amber's boyfriend
 * Mary Elizabeth Winstead as Leslie/Amber's best friend
 * Arlen Escarpeta as Tyrone/Amber's abusive ex-boyfriend
 * Thomas Dekker as Dan
 * Christopher Lloyd as Dr. Goodman
 * Phoebe Tonkin as Shey/Amber's frenemy
 * Crystal Lowe as Lacee
 * Mel Gibson as Robert Fields/Amber's step-father