Special Guest Stars Shawn Hatosy as Dr. Jack Abbot Guest Stars Jalen Thomas Brooks as Nurse Mateo Diaz Kristin Villanueva as Nurse Princess Brandon Mendez Homer as Donnie Donahue Amielynn Abellera as Perlah Alawi Joanna Going as Theresa Saunders Alexandra Metz as Dr. Yolanda Garcia Krystel McNeil as Kiara Alfaro Michael Hyatt as Gloria Deepti Gupta as Dr. Eileen Shamsi Rob Heaps as Chad Ashcroft Ayesha Harris as Dr. Parker Ellis Ken Kirby as Dr. John Shen Tedra Millan as Dr. Emery Walsh Roy Williams Jr. as Officer M. Suggs Co Starring Ned Brower as Nurse Jesse Van Horn Johnath Davis as Security Guard Ahmad Ambar Martinez as Nurse Kim Tate Tracy Vilar as Lupe Perez Henry Joseph Samiri as Harrison Ashcroft Annie To as Medic Nguyen Jennifer Christopher as Trish Gregory Lewie Bartone as Medic Pozsonyi Emma Kennedy as Morgan Evan Allen-Gessesse as Nurse Dave Miller Drew Harwood as Farley Barnes Matt Mercurio as Med Tech Larry Ian Stanley as Michael "Kraken" Krakozhia Jermaine Williams as Med Tech Antoine Dubois Janira Reyes as Dawn Marshall Stephen Hart as Med Tech Paolo Melette Le Blanc-Cabot as Nurse Sophie Auget Johnathan O'neil as Security Guard Olsen Marcos De Silvas as Officer A. Harrelson Robert King as Dr. Fred Miller Tim Van Pelt as Nurse Tim Salinger Richard Wharton as Grayson Telvin Griffin as Officer Rich Stefano Jordan Farrand as Nurse Jordan Prescott Jamie Lynn Watkins as Nurse Jamie Sal Landi as Jasper Simpson Paull Walia as Dr. Mark Gladden Becki Hayes as Sylvia Leah Foster as Officer Candy Maxwell David Marcus as Duncan Marcelle Pallais as Newswoman Joe Saraceni as Omar
