Jay Hernandez Thomas Magnum Actor Perdita Weeks Juliet Higgins Actor Zachary Knighton Orville "Rick" Wright Actor Stephen Hill Theodore "T.C." Calvin Actor Tim Kang Det. Gordon Katsumoto Actor Amy Hill Kumu Actor Christopher Thornton Kenny "Shammy" Shamberg Guest Star Taylor Wily Kamekona Guest Star Brooke Lyons Abby Miller Guest Star Larry Manetti Nicky "The Kid" DeMarco Guest Star Bobby Lee Jin Guest Star Corbin Bernsen Icepick Guest Star Kimee Balmilero Noelani Cunha Guest Star James Remar Captain Buck Greene Guest Star William Forsythe Harry Brown Guest Star Shawn Mokuahi Garnett Flippa Guest Star Kordell Kekoa Kahu Guest Star Billy Malone Sean Murphy Guest Star Preston James Hillier Jason Levner Guest Star Alexa Luczak Mermaid Guest Star Peter M. Lenkov Executive Producer, Writer Eric Guggenheim Executive Producer, Writer Justin Lin Executive Producer John Davis Executive Producer John Fox Executive Producer Danielle Woodrow Executive Producer Gene Hong Writer Alfredo Barrios Jr. Writer Neil Tolkin Writer Joe Gazzam Writer Barbie Kligman Writer Ashley Charbonnet Writer Tera Tolentino Writer Antonio Negret Director Roderick Davis Director Bryan Spicer Director Peter Weller Director Doug Hannah Director