Shemar Moore Daniel "Hondo" Harrelson Actor Alex Russell Jim Street Actor Jay Harrington David "Deacon" Kay Actor Lina Esco Christina "Chris" Alonso Actor, Director Kenny Johnson Dominique Luca Actor David Lim Victor Tan Actor Patrick St. Esprit Commander Robert Hicks Actor Otis Gallop Sgt. Stevens Guest Star Lombardo Boyar Det. Rios Guest Star Brigitte Kali Canales Cabrera Guest Star Conrad Haynes Tatum Guest Star Bre Blair Annie Guest Star Aaron Bledsoe Raymont Harris Guest Star Nicholas Duvernay Jaylon Guest Star Andrew Patrick Ralston Chaplain Adams Guest Star Sachie Alessio Nurse Chung Guest Star Derek Yates Nurse Robinson Guest Star Kathe E. Mazur Dr. Michaels Guest Star Tijuana Ricks Paula Guest Star Jesse Rath Kahn Guest Star Bechir Sylvain Fred Guest Star Rafiq Batcha Dr. Floyd Guest Star Trisha Beharie Nurse Shelby Guest Star Troy Ian Hall Knox Guest Star Aaron Rahsaan Thomas Executive Producer Shawn Ryan Executive Producer Justin Lin Executive Producer Neal H. Moritz Executive Producer Marney Hochman Executive Producer Danielle Woodrow Executive Producer Pavun Shetty Executive Producer Ryan Keleher Writer