Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Daniel Dae Kim Actor Grace Park Actor Taryn Manning Actor Teilor Grubbs Guest Star Taylor Wily Kamekona Guest Star James Marsters Guest Star Will Yun Lee Guest Star Mark Dacascos Guest Star Leslie Bandong Trent Agustin Guest Star Charles Tang Jr. Guest Star Byron Ono Guest Star Alexandra Tabas Guest Star Dennis Chun Sgt. Duke Lukela Guest Star Marika Yamato Guest Star Alex Kurtzman Executive Producer Roberto Orci Executive Producer Peter M. Lenkov Writer Carol Barbee Writer Kyle Harimoto Writer Chris Fisher Director