Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Ian Anthony Dale Adam Noshimuri Actor Meaghan Rath Tani Rey Actor Jorge Garcia Jerry Ortega Actor Beulah Koale Junior Reigns Actor Chi McBride Lou Grover Actor Katrina Law Quinn Liu Actor Taylor Wily Kamekona Actor Dennis Chun Sgt. Duke Lukela Actor Kimee Balmilero Dr. Noelani Cunha Actor Kate Siegel Leslie Guest Star Roxy Otm Eka Guest Star Presilah Nunez Sr. Emma Okino Guest Star Paul Schackman Dr. Currin Guest Star Mark Rolston Colonel O'Donnell Guest Star Chido Nwokocha Sgt. Michaels Guest Star Sara Amini Molly Guest Star Mike Ryan Driver Guest Star Peter M. Lenkov Executive Producer, Writer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer Paul Grellong Writer Peter Weller Director