Guest Stars Luke Macfarlane as Rick Lincoln Rana Roy as Dr. Amira Anawi James McDaniel as Julian Cummings Erica Tazel as Bella Cummings Rob Estes as Coronel Parnell Missy Peregrym as Lt. Reagan Holly Taylor as Hannah Kasha Kropinski as Bernadine Aaron Fili as Wyatt Wilmer Calderon as Boon Co Starring Alma Sisneros as Nurse Jocelyn Diaz Esodie Geiger as Nurse Molly Ramos Trina Siopy as Paramedic Sara Andres Segura as Orderly Ray Diane Villegas as Reporter Donald Cerrone as Wounded Paramedic Nick Frank Lester as Ranger Instructor Toby Montoya as Toby Michelle Waterson as SWAT Officer