Guest Stars Kara Killmer as Paramedic Sylvie Brett Gregg Henry as Dr. David Downey Brian Geraghty as Officer Sean Roman Jayne Atkinson as Laura Clay McKenzie Chinn as Tara Francis Guinan as Nathan Clay Co Starring Courtney Rioux as Paramedic Courtney Cesar Jaime as Paramedic Cesar Tonray Ho as Nurse Leah Desmond Gray as Paramedic Desmond C. Anthony Jackson as Security Guard Earl Tosin Morohunfola as Dr. Allan Vorspan Karen Aldridge as Dr. Kendra Perrington Hannaha Hall as Dana Emjoy Gavino as Dr. Harper Ed Gass as Martin Si Osborne as Paul Susan Fay as Mabel