Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Chi McBride Lou Grover Actor Jorge Garcia Jerry Ortega Actor Meaghan Rath Tani Rey Actor Taylor Wily Kamekona Actor Kimee Balmilero Dr. Noelani Cunha Actor Dennis Chun Sgt. Duke Lukela Actor Ian Anthony Dale Adam Noshimuri Actor Beulah Koale Junior Reigns Actor Shawn Mokuahi Garnett Flippa Guest Star Joan Collins Amanda Savage Guest Star Tim Lounibos Mr. Chen Guest Star Nicholas Hayner Matt Zenner Guest Star Paul Costa Manager Guest Star Brett Zimmerman Derek Guest Star Alexander Rogers Brad Chen Guest Star Juan Monsalvez Niles Werner Guest Star Lance Rae Organizer Guest Star Kellie King Millie Guest Star Knives Vannic Wolfram Guy Guest Star Luis Zamora Bartender Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer Matt Wheeler Writer David Wolkove Writer Eagle Egilsson Director