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 Brittany Ishibashi Tamiko Guest Star Fernando Chien Kenji Guest Star Eugenia Yuan Daiyu Mei Guest Star Chloe Brooks Rox Guest Star Julien Foures Howell Guest Star Jamal Akakpo Hugh Guest Star Brian Arthur Cox Driver Guest Star Randy Shibuya Tadashi Guest Star Esera Tuaolo Mechanic Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer Kendall Sherwood Writer Karen Gaviola Director