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 Taylor Wily Kamekona Guest Star Tom Sizemore Guest Star William Baldwin Guest Star Billy Ray Gallion Guest Star Reiko Aylesworth Guest Star Joe Toro Guest Star Rob Duval Guest Star Meredith Monroe Guest Star Cathy Tanaka Guest Star Tania Raymonde Guest Star Blossom Hoffman Guest Star Gary Price Guest Star John Robotham Guest Star Vai Richards Guest Star Ramsay Wharton Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Stephanie Sengupta Writer Steve Boyum Director