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 Kimee Balmilero Dr. Noelani Cunha Guest Star Roger E. Mosley John Booky Guest Star Heather Mazur Gina Pryor Guest Star Fatema Merchant Dr. A. Lee Guest Star Susan Park Henny Tak Guest Star Patrick Gallagher Lieutenant Roger Akan Guest Star Taiana Tully Detective Palea Guest Star Cindy Ramirez Julia Kemp Guest Star Adrienne Wilson Kelsey Guest Star Deniz Akdeniz Mike Trevino Jr. Guest Star Michael Rose Mike Sr. Guest Star Garret Sato Eddie Harada Guest Star Jacob I. Titus Justin "J.T." Kalua Guest Star Nick La'a Katsumoto's Son Guest Star Peter M. Lenkov Executive Producer Eric Guggenheim Executive Producer Justin Lin Executive Producer John Davis Executive Producer John Fox Executive Producer Danielle Woodrow Executive Producer Barbie Kligman Writer Ashley Charbonnet Writer Bryan Spicer Director