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 Mykelti Williamson Guest Star JoNell Kennedy Guest Star Marshall Allman Guest Star Walter J. Harvey Guest Star Peter M. Lenkov Executive Producer, Writer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Writer Stephen Herek Director