Jay Hernandez Thomas Magnum Actor Perdita Weeks Juliet Higgins Actor, Director Zachary Knighton Rick Wright Actor Stephen Hill Theodrore "T.C." Calvin Actor Amy Hill Teuila "Kumu" Tuileta Actor Tim Kang Detective Gordon Katsumoto Actor Martin Martinez Cade Jensen Guest Star Lance Lim Dennis Katsumoto Guest Star Andrew J. West Professor Sam Brody Guest Star Kelsey Wang Helen Yu Guest Star Jacob Moskovitz Travis Guest Star Jaalen Best Teammate #1 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 Katie Varney Writer