(Hunting Monsters) McGarrett and Five-0 once again become entangled in the twisted mind games of serial killer Dr. Madison Gray when she stumbles into HPD covered in blood that matches Alicia Brown’s, and claims amnesia.

Ashleigh Domangue, Brandon Smith, Claire Forlani, Dennis Chun, Duane "Dog" Chapman, Elisabeth Rohm, Kekoa Kekumano, Linda Good, Mark Ah Sing, Max Weinberg, Michael Adamshick, Ryan Locke, Shawn Mokuahi Garnett, Shawn Thomsen, Taylor Wily