Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Daniel Dae Kim Actor Grace Park Actor Jean Smart Guest Star Teilor Grubbs Guest Star Scott Cohen Guest Star Colin Ford Guest Star Ivana Milicevic Guest Star Peter Stormare Guest Star Ned Van Zandt Guest Star Martin Starr Guest Star Jennifer Delaeo Guest Star Brian Hirono Guest Star Paul Klink Guest Star Berit Kawaguchi Guest Star Joshua Stankovits Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Sarah Goldfinger Writer Paul Zbyszewski Writer Brad Turner Director