Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Daniel Dae Kim Chin Ho Kelly Actor Grace Park Kono Kalakaua Actor Masi Oka Dr. Max Bergman Actor Chi McBride Lou Grover Actor Jorge Garcia Jerry Ortega Actor Claire van der Boom Rachel Edwards Guest Star Dennis Chun Sgt. Duke Lukela Guest Star William Forsythe Harry Brown Guest Star Zach Sulzbach Charlie Edwards Guest Star Teilor Grubbs Grace Williams Guest Star Kimee Balmilero Dr. Noelani Cunha Guest Star Lena Georgas Celine Stratham Guest Star Robert Gant Thomas Stratham Guest Star Melanie Rains Natasha Baron Guest Star Kolten Jensen Gary Fallon, Kidnapper 1 Guest Star Matt McTighe Collin Hanson, Kidnapper 2 Guest Star Ma'a Tanuvasa Sheriff Marcus Kalawaia Guest Star Daryl Bonilla Driver Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Matt Wheeler Writer Jerry Levine Director