Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Daniel Dae Kim Actor Grace Park Actor Teilor Grubbs Guest Star Taylor Wily Kamekona Guest Star Joji Yoshida Guest Star James Kyson Guest Star Evan Jones Guest Star Tiffany Au Guest Star Cha Thompson Guest Star Margaret Jones Guest Star Sab Shimono Guest Star Paul Mitri Guest Star Masaharu Morimoto Guest Star Wayne Duvall Guest Star Renee Nobriga Guest Star Hapa Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Elwood Reid Writer Larry Teng Director