Special Guest Stars Steven Weber as Dr. Dean Archer Guest Stars Marc Grapey as Peter Kalmick Lilah Richcreek as Nellie Cuevas Sasha Roiz as Jack Dayton Wayne T. Carr as Grant Young Tracy Spiridakos as Detective Hailey Upton Ivan Shaw as Dr. Justin Lieu Michele Vazquez as Mrs. Ruiz Alberto Rosende as Blake Gallo Dani Oliveros as Gloria Reyes Co Starring Lorena Diaz as Nurse Doris Courtney Rioux as Paramedic Courtney Lynnette Li as Nurse Nancy Tonray Ho as Nurse Leah Matthew Isler as Paramedic Matt Rachel Sledd as Roberta Sheraton John Gawlik as Frank Sheraton Jonny Morrison as Derek Orlagh Reardon as Lydia Shaw Michael Fry as William 'Buddy' Foster