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 Actor Lou Ferrigno Jr. Rocker Guest Star Otis Gallop Sgt. Stevens Guest Star Nikiva Dionne Nia Wells Guest Star Juan Javier Cardenas Beni Guest Star Joseph Lee Anderson Tony Guest Star Gene Farber Drummond Guest Star Sumalee Montano Gwen Guest Star Alexander Arzu Isaac Guest Star Mataeo Mingo James Guest Star Aiden Berryman Stanley Guest Star Lynn Adrianna Freedman Carol Guest Star E.R. Ruiz Jax Guest Star Beau Casper Smart Kaden Guest Star Michael Trucco Eric Guest Star Betty Murphy Mrs. Perkins Guest Star Molly Erdman Nurse Guest Star Minerva García Hospital Administrator Guest Star Jimmy Jean-Louis Desir Guest Star Lee Chesley Jan Guest Star Camden Coley Paul Guest Star Wali Habib Nick Guest Star Christina Craddick Stacey Guest Star Dmitri Schuyler Teen Boy 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 Michael Jones-Morales Writer Billy Gierhart Director