Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Chi McBride Lou Grover Actor, Writer Jorge Garcia Jerry Ortega Actor Meaghan Rath Tani Rey Actor Taylor Wily Kamekona Actor Kimee Balmilero Dr. Noelani Cunha Actor Dennis Chun Sgt. Duke Lukela Actor Ian Anthony Dale Adam Noshimuri Actor Beulah Koale Junior Reigns Actor Katrina Law Quinn Liu Actor Michelle Hurd Renee Grover Guest Star Jesse Johnson Richie Gormican Guest Star Walker Haynes Bishop Guest Star Garret Sato Ben Tam Guest Star Ashley Kirk Paramedic Dunlop Guest Star Dean Hamer Janitor Guest Star Metta World Peace Himself Guest Star Nia Holloway Siobhan Guest Star Marita de Lara Coach Paul Guest Star Can Bolay Mihajlovic Guest Star Poasa Aga Kelo Guest Star Kainoa Li Paramedic Hui Guest Star Tyler Tanabe Pilot Guest Star Leia Bullock Young Siobhan Guest Star Phil Chang Clerk Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer Matt Wheeler Writer Carlos Bernard Director