Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Daniel Dae Kim Actor Grace Park Actor Taryn Manning Actor Taylor Wily Kamekona Guest Star Diddy Guest Star Kwesi Boakye Guest Star Selita Ebanks Guest Star Keith David Guest Star Hurshae Summons Guest Star Nicholas B. Gianforti Guest Star Cara Buono Guest Star Ramon Bennett Guest Star Thayr Harris Guest Star Zero Kazama Guest Star Aaron Madriaga Guest Star Alex Kurtzman Executive Producer Roberto Orci Executive Producer Shane Salerno Writer Peter M. Lenkov Writer Duane Clark Director