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 Lauren German Officer Lori Weston Actor Terry O'Quinn Guest Star Tom Sizemore Guest Star Taylor Wily Kamekona Guest Star Reiko Aylesworth Guest Star Ian Anthony Dale Adam Noshimuri Guest Star Kala Alexander Guest Star Michael Ng Guest Star Chase Bridgman Guest Star Pakela Moriwaki Guest Star Reyn Mager Aubrey Guest Star Jeremy Ratchford Guest Star Michael Buie Guest Star Liana Green Wright Guest Star Joe Reegan Guest Star Gail O'Grady Guest Star B.J. Penn Guest Star Kordell Kekoa Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Elwood Reid Writer Jeff Thomas Director