Eoin Macken T.C. Callahan Actor Jill Flint Jordan Alexander Actor Freddy Rodríguez Michael Ragosa Actor Ken Leung Topher Actor Robert Bailey Jr. Paul Actor Brendan Fehr Drew Actor Jeananne Goossen Krista Actor J.R. Lemon Kenny Actor Daniella Alonso Landry De La Cruz Actor Alma Sisneros Nurse Diaz Guest Star Esodie Geiger Nurse Ramos Guest Star Catharine Pilafas Nurse Bardocz Guest Star Matt Greene Tree Trimmer Guest Star Kevin Wiggins Deputy Guest Star Jim Burleson EMT 1 Victor Guest Star Robert D. Washington EMT 2 Carlos Guest Star Lauren Myers EMT 3 Guest Star Harry Zimmerman Surgeon Guest Star Dan Moseley Husband Guest Star Jackamoe Buzzell Large Man Guest Star Stephen Eiland Security Guard Guest Star Darlene Hunt Ms. Palmer Guest Star Rick Vargas EMT Hernandez Guest Star John Trejo Fireman Guest Star Alex Knight Bradford Guest Star Beth Bailey Anesthesiologist Guest Star Stafford Douglas Teenage Boy Guest Star Gabe Sachs Executive Producer Jeff Judah Executive Producer