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 Michelle Borth Catherine Rollins Actor Taylor Wily Kamekona Guest Star Mark Dacascos Guest Star Ian Anthony Dale Adam Noshimuri Guest Star Reiko Aylesworth Guest Star William Baldwin Guest Star Dennis Chun Sgt. Duke Lukela Guest Star Karl Herlinger Guest Star Christine Lahti Guest Star Kimo Moore Guest Star Danielle Delaunay Guest Star Ryan Moniz Guest Star Jo-Jo Abuan Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Bryan Spicer Director