Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Chi McBride Lou Grover Actor Jorge Garcia Jerry Ortega Actor Meaghan Rath Tani Rey Actor Beulah Koale Junior Reigns Actor Taylor Wily Kamekona Actor Kimee Balmilero Dr. Noelani Cunha Actor Shawn Mokuahi Garnett Flippa Guest Star Joey Lawrence Aaron Wright Guest Star Kekoa Kekumano Nahele Guest Star Leonardo Nam Harley Taylor Guest Star Anthony J. Silva Jr. HPD Instructor Collins Guest Star Aris Springs Troy Guest Star Rob Ishihara Eli Guest Star Reggie Lee Joey Kang Guest Star Narayan Gabbard Local Guest Star Jesse Lewis Kahili Marks Guest Star Donald Li Mr. Kang Guest Star Reb Beau Allen Paramedic Guest Star Henry Kapono Ka'aihue Tropics Musician Guest Star Hio Pelesasa Thug Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer Rob Hanning Writer Antonio Negret Director