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, Writer Katrina Law Quinn Liu Actor Taylor Wily Kamekona Actor Dennis Chun Sgt. Duke Lukela Actor Kimee Balmilero Dr. Noelani Cunha Actor Fernando Chien Kenji Guest Star Zachary Knighton Orville "Rick" Wright Guest Star Eugenia Yuan Daiyu Mei Guest Star Enson Inoue Etsuji Guest Star Stephen Lau Hideo Guest Star Alvin Yeh Haru Guest Star Nia Holloway Siobhan Guest Star Michael Hagiwara Ryo Guest Star Grant Udagawa Ishii Guest Star Peter M. Lenkov Executive Producer, Writer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer Paul Grellong Writer Kendall Sherwood Writer Talia Gonzalez Writer Zoe Robyn Writer David Wolkove Writer Rob Hanning Writer Chris Wu Writer Peter Weller Director Bisanne Masoud Writer Noah Evslin Writer Matt Wheeler Writer Karen Gaviola Director Duane Clark Director Tate Donovan Director