Jay Hernandez Thomas Magnum Actor Perdita Weeks Juliet Higgins Actor Zachary Knighton Rick Wright Actor Stephen Hill Theodrore "T.C." Calvin Actor Amy Hill Teuila "Kumu" Tuileta Actor Tim Kang Detective Gordon Katsumoto Actor Christopher Thornton Kenneth "Shammy" Shamberg Guest Star Bobby Lee Jin Jeong Guest Star Eliza Shin Millie Kalili Guest Star Chelsea Gilligan Piper Guest Star Aaron Anastasi Yvgeny Guest Star Padrick Shadeck Vlad Guest Star Eric Guggenheim Executive Producer Barbie Kligman Executive Producer John Davis Executive Producer Justin Lin Executive Producer John Fox Executive Producer David Wolkove Executive Producer Gene Hong Executive Producer, Writer David Straiton Director