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 Larisa Oleynik Guest Star Taylor Wily Kamekona Guest Star Terry O'Quinn Guest Star Brian Yang Guest Star Tom Sizemore Guest Star Mark Dacascos Guest Star Autumn Reeser Guest Star Ian Anthony Dale Adam Noshimuri Guest Star Teilor Grubbs Guest Star Reiko Aylesworth Guest Star Richard T. Jones Guest Star Billy Ray Gallion Guest Star Dennis Chun Sgt. Duke Lukela Guest Star William Baldwin Guest Star Alex Kurtzman Executive Producer Peter M. Lenkov Executive Producer, Writer Roberto Orci Executive Producer Paul Zbyszewski Writer Elwood Reid Writer Stephanie Sengupta Writer Melissa Glenn Writer Tara Butters Writer Kyle Harimoto Writer Joe Halpin Writer David Wolkove Writer Mike Schaub Writer Steve Boyum Director Bryan Spicer Director Larry Teng Director Jessica Rieder Writer Michele Fazekas Writer Christina Moore Director Duane Clark Director