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 Rochelle Aytes Agent Greer Guest Star Terry O'Quinn Joe White Guest Star Brad Beyer Tim Cole Guest Star Joel Steingold Mark Howard Guest Star David Agranov Kasper Bauer Guest Star Alvin Ing Gakuto Kojima Guest Star Alrico Dwayne Perkins Jr. Wyatt Howard Guest Star Chloe Ryan Corniel Joanna Howard Guest Star Ticondra Swartz Cynthia Howard Guest Star Christian Rockford Omar Hassan Guest Star River Christian Young McGarrett Guest Star Peter M. Lenkov Executive Producer Alex Kurtzman Executive Producer Roberto Orci Executive Producer Eric Guggenheim Executive Producer Paul Grellong Writer Gabriel Beristain Director