Guest Stars Angela Relucio as Nurse Risa Park Kevin Dunn as Dr. Mark Taylor Emily Nelson as Hannah Reynolds Ellia English as Isabel Mendez Shanti Lowry as Tiffany Andres Perez-Molina as Medic #2 Gail O'Grady as Margaret O'Brien Jelly Howie as Eva Grace Van Dien as Friend One Amy Tolsky as Mrs. Curtis Dan Martin as Donald Matthew John Armstrong as Dylan Michael Ross Aaron Christian Howles as Kevin O'Brien Jeff Davis as Stanley Kelly Michaels as Medic Diego Rodriguez as TJ Lonny Aufrie as Zoe Bower Megan Neutze as Friend Two