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 Joey Lawrence Aaron Wright Guest Star Shawn Mokuahi Garnett Flippa Guest Star Clifton Powell Percy Grover Guest Star Shawn Thomsen Pua Kai Guest Star José Zúñiga Flores Guest Star Howard W. Bishop Kinross Guest Star Jeffrey Omura Palani Guest Star Karen Lew Chairperson Guest Star David S. Jung Daniel Guest Star John Janocko Lead Gunman Guest Star Paul Costa Troy Guest Star Gabriel Kennedy Tim Guest Star Brandon Caban Front Desk Guard Guest Star Pacer Lee Security Guard Guest Star Anthony Camper NSA Agent Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer Paul Grellong Writer Sean O'Reilly Writer Peter Weller Director