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 Chris Vance Harry Langford Guest Star John Harlan Kim Endo Guest Star Fernando Chien Kenji Guest Star Enson Inoue Etsuji Guest Star Stephen Lau Hideo Guest Star Alvin Yeh Haru Guest Star Jack Cutmore-Scott Gabe, Michael Blanton Guest Star Suzanne Cryer Suzanne Guest Star Taylor Kowalski Kevin Guest Star Nicole Steinwedell Maureen Townsend Guest Star Preston Jones Leo Guest Star Adam Marcinowski Marcus Guest Star Kurt Caceres Pelio Guest Star Grant Udagawa Ishii Guest Star Eva De Dominici Maria Guest Star Shane Miyashiro Officer Takabashi Guest Star Todd Joiner Janitor Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer Paul Grellong Writer Matt Wheeler Writer Karen Gaviola Director