Shemar Moore Daniel "Hondo" Harrelson Actor Stephanie Sigman Jessica Cortez Actor Alex Russell Jim Street Actor Jay Harrington David "Deacon" Kay Actor Lina Esco Christina "Chris" Alonso Actor Kenny Johnson Dominique Luca Actor Peter Onorati Jeff Mumford Actor David Lim Victor Tan Actor Patrick St. Esprit Commander Robert Hicks Guest Star MC Lyte DEA Special Agent Katrina "K.C." Walsh Guest Star Peter Facinelli Michael Plank Guest Star Bre Blair Annie Kay Guest Star Evan Horsley Calvin Guest Star Lanny Joon Billy Gunn Guest Star Sean Muramatsu DEA Agent Cho Guest Star Jun Kim Rhee Guest Star Albert Kong Peter Kwon Guest Star Jackie Mah Sang Guest Star Bryant Boon Lawyer Meeks Guest Star Paul Ganus Dr. Chandler Guest Star Linda Gehringer Mary Beth Guest Star June Mock Attendant Guest Star Gev Kalian Armenian Driver Guest Star Courtenay Taylor E.R. Nurse Violet Guest Star Chris Cordone Dr. Bennet Guest Star Kelvin Han Yee Jae Kim Guest Star Kevin Moon Tattooed Hardcase Guest Star Darren Capozzi Officer Higgins Guest Star Bora Jasa Kayla Ju 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 Craig Gore Writer Omar Madha Director