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 Richard T. Jones Guest Star Tom Sizemore Guest Star Hayley Chase Guest Star Diedre Kilgore Guest Star Chris Candella Guest Star Melissa Puana-Martin Guest Star Dennis Chun Sgt. Duke Lukela Guest Star Kelly Mumme Guest Star Michael Sun Lee Guest Star Bruce Davison Guest Star Emily Bergl Guest Star Kalai Strode Guest Star Kyle Malis Guest Star Maleko McDonnell Guest Star Buz Tennent Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Melissa Glenn Writer Jessica Rieder Writer Duane Clark Director