Eoin Macken T.C. Callahan Actor Freddy Rodríguez Michael Ragosa Actor Jill Flint Jordan Alexander Actor Ken Leung Topher Actor Robert Bailey Jr. Paul Actor Brendan Fehr Drew Actor Jeananne Goossen Krista Actor J.R. Lemon Kenny Actor Scott Wolf Dr. Scott Clemmens Guest Star Adam Rodriguez Dr. Joey Chavez Guest Star Merle Dandridge Gwen Gaskin Guest Star Brit Morgan Tricia Guest Star Jack Yang Craig Guest Star Brittany O'Grady Alicia Guest Star Esodie Geiger Nurse Ramos Guest Star Alma Sisneros Nurse Diaz Guest Star Tatanka Means Paramedic Gonzalez Guest Star John Trejo Fireman Guest Star Trine Christensen Motorcycle Woman Guest Star Lonnie Lane Crazy Person Guest Star J.D. Garfield Charlie Guest Star Mary Sue Evans Neurosurgeon Guest Star Gabe Sachs Executive Producer Jeff Judah Executive Producer