• 
  Ana Alexander

  Danielle / Roman
• 
  Tudor Munteanu

  Emil
• 
  Greg Grunberg

  Jeff Morrison
• 
  Michael Imperioli

  Odell Martin
• 
  Xzibit

  JC Dekker (as Alvin Joiner)
• 
  Billie Lueder

  Nurse Ava Mandelbaum
• 
  Adam Burnett

  Agent Patrick Corin
• 
  Scott Caan

  Danny 'Danno' Williams

• 
  Daniel Dae Kim

  Chin Ho Kelly
• 
  Jorge Garcia

  Jerry Ortega
• 
  Chi McBride

  Lou Grover
• 
  Grace Park

  Kono Kalakaua
• 
  Masi Oka

  Dr. Max Bergman
• 
  Dennis Chun

  Sgt. Duke Lukela
• 
  Ian Anthony Dale

  Adam Noshimuri

• 
  Alex O'Loughlin

  Steve McGarrett