Guest Stars Alejandro Hernandez as Casey Acosta Megan Byrne as Gladys Miller Shiva Kalaiselvan as Leyla Shinwari Christine Chang as Dr. Agnes Kao Anna Suzuki as Sandra Fall Daniel Dae Kim as Dr. Cassian Shin Luke Slattery as PFC Chance Becker Camille Mana as Rose Castillo Shian Tomlinson as Elisa Barkley Almeria Campbell as Anita Barkley Co Starring Stacey Raymond as Paramedic Kerry Whitaker Emma Ramos as Resident Mariana Teresa Patel as Paramedic Harvell Sarafina King as Paramedic Nokic Michael V. Sulsona as Older Vet Chris Walker as Vet #1 Frank Carlo as Painter Desiree Rodriguez as Singer #4 Pilar Witherspoon as Woman Telly Leung as Singer #2 Jennean Farmer as Rhonda Hunter Canning as Radiology Tech Raymond Anton Obeid as Kevin McGlynn Michael McElroy as Singer #1 Casey Erin Clark as Singer #3 Brandon Kazen-Maddox as ASL Interpreter Sue Kim-Molina as Dr. Kwok Rani Varma Peck as Salma Rajput