Alex O'Loughlin Steve McGarrett Actor Scott Caan Danny "Danno" Williams Actor Chi McBride Lou Grover Actor Jorge Garcia Jerry Ortega Actor Meaghan Rath Tani Rey Actor Taylor Wily Kamekona Actor Kimee Balmilero Dr. Noelani Cunha Actor Dennis Chun Sgt. Duke Lukela Actor Ian Anthony Dale Adam Noshimuri Actor Beulah Koale Junior Reigns Actor Zach Sulzbach Charlie Guest Star Joey Lawrence Aaron Wright Guest Star Shawn Mokuahi Garnett Flippa Guest Star Eric Scanlan Natano Reigns Guest Star Cidni Romias Akela Nakahara Guest Star Shawn Thomsen Pua Kai Guest Star Rochelle Aytes Greer Guest Star Kunal Sharma Koa Actor Clifton Powell Percy Lee Grover Jr. Guest Star Ashley Nagaoka News Anchor Guest Star Peter M. Lenkov Executive Producer, Writer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer David Wolkove Writer Rob Hanning Writer Zoe Robyn Writer Talia Gonzalez Writer Christos N. Gage Writer Matt Wheeler Writer Paul Grellong Writer Sean O'Reilly Writer Gabriel Beristain Director Bisanne Masoud Writer Peter Weller Director Eagle Egilsson Director Jerry Levine Director Bryan Spicer Director Karen Gaviola Director