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 Chi McBride Lou Grover Actor Jorge Garcia Jerry Ortega Actor Dennis Chun Sgt. Duke Lukela Guest Star Julie Benz Guest Star Ingo Rademacher Guest Star Olga Fonda Guest Star Jimmy Borges Guest Star Derek Webster Guest Star Michael McMillian Guest Star Regan Downie Guest Star Danielle Zalopany Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Writer Maja Vrvilo Director