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 Willie Garson Gerard Hirsch Guest Star Michael Nouri Oscar Hirsch Guest Star Lawrence Pressman Stanley Guest Star Patty McCormack Tabitha Guest Star Andrea Bogart Cynthia Guest Star Jon Mollison Greg Guest Star Adam Rogers Tenney Guest Star Kaleti Williams Fetu Guest Star Rafael Cabrera DiMarzo Guest Star Wayne Silva Officer Kanapele Guest Star Tony Armatrading Claypool Guest Star Gary Nohealii Neil Hopkins Guest Star Samson Moeakiola Lono Guest Star Ixchel Samaniego Nurse Therese Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer Kendall Sherwood Writer Chris Wu Writer Andi Armaganian Director