Special Guest Stars Yaya DaCosta as Nurse April Sexton Steven Weber as Dr. Dean Archer Guest Stars Marc Grapey as Peter Kalmick Brennan Brown as Dr. Samuel Abrams Asjha Cooper as Vanessa Taylor Kara Killmer as Paramedic Sylvie Brett Sarah Rafferty as Dr. Pamela Blake Lilah Richcreek Estrada as Dr. Nellie Cuevas David Eigenberg as Lieutenant Christopher Herrmann Marina Squerciati as Kim Burgess Riley Voelkel as Milena Jovanovic Angela Wong Carbone as Jessa Rinaldi Wayne T. Carr as Grant Young John Henry Ward as David Sullivan Curtiss Cook as Lt. Reginald Scott Madison Dirks as Eric Sullivan Karin Anglin as Patty Sullivan Tim Hopper as Captain Tom Van Meter Bryan Coffee as Dr. Edward Horowitz Co Starring Lorena Diaz as Nurse Doris Jeremy Shouldis as Dr. Marty Peterson Cesar Jaime as Paramedic Cesar Lynnette Li as Nurse Nancy Michael Vaughn Shaw as X-Ray Tech Mike Mehmet Can Aksoy as Goran Mike Jimerson as Shawn Reynolds Karmann Bajuyo as Dr. David Jones Khaki Pixley as Fitzgerald