Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Daniel Dae Kim Actor Grace Park Actor Taryn Manning Actor Kelly Hu Guest Star Max Martini Guest Star Ric Young Guest Star Matt Corboy Guest Star Nelson Lee Guest Star Ethan Garrido Guest Star Emmanuelle Vaugier Guest Star Michael Adamshick Guest Star Kellie Phyu Guest Star Tomomi Gianforti Guest Star Brian Hite Guest Star Alex Kurtzman Executive Producer Roberto Orci Executive Producer Peter M. Lenkov Writer Shane Salerno Writer Brad Turner Director