Noah WyleDr. Michael 'Robby' Robinavitch / Regisseur / Schrijver / Executive Producer Patrick BallDr. Frank Langdon Katherine LaNasaCharge Nurse Dana Evans Supriya GaneshDr. Samira Mohan Fiona DourifDr. Cassie McKay Taylor DeardenDr. Melissa King Isa BrionesDr. Trinity Santos Gerran HowellStudent Doctor Dennis Whitaker Shabana AzeezStudent Doctor Victoria Javadi Amielynn AbelleraNurse Perlah Alawi Brandon Mendez HomerNurse Donald 'Donnie' Donahue Kristin VillanuevaNurse Princess Ned BrowerNurse Jesse Van Horn Alexandra MetzDr. Yolanda Garcia Johnath DavisSecurity Guard Ahmad Zidan Jalen Thomas BrooksNurse Mateo Diaz Tracy IfeachorDr. Heather Collins Sepideh MoafiDr. Baran Al-Hashimi Laetitia HollardNurse Emma Nolan Lucas IversonMed Student James Ogilvie Irene ChoiMed Student Joy Kwon Joanna GoingTheresa Saunders Ernest Harden Jr.Louie Cloverfield Ambar MartinezNurse Kim Tate Shawn HatosyDr. Jack Abbot / Regisseur Krystel McNeilKiara Alfaro Jermaine WilliamsMed Tech Antoine Dubois Ayesha HarrisDr. Parker Ellis Lewie BartoneMedic Pozsonyi Lesley BooneNurse Lena Handzo William GuirolaOrlando Diaz Deepti GuptaEileen Shamsi Michael HyattGloria Underwood Brandon KeenerJohn Bradley Samantha SloyanLily Bradley Evan Allen-GessesseNurse Dave Miller Matt MercurioMed Tech Larry Aldridge Brian TichnellMedic Amboy Taylor HandleyPaul Hamler Brittany AllenRoxie Hamler Caroline HenryMedic Lidel Jonathan von MeringMedic Bosco Henry Joseph SamiriHarrison Ashcroft Jessica 'Limer' FloresHarlow Graham Christopher ThorntonDr. Caleb Jefferson Kacie RogersRT Carrie Volk Rusty SchwimmerMonica Peters Ashley RomansJoyce St. Claire Reginald Lashaun ClayUnderhill Chase SimoneMedic Ziggler Kadan Well BennettMedic Flores Melette Le Blanc-CabotNurse Sophie Auget Adrienne LewisMedic Crowe Talha BarberousseMakedah Smith Jackson KellyDavid Saunders Shannon McClungFlight Nurse Johnathan O'NeilSecurity Guard Olsen Abby Ryder FortsonKristi Wheeler Shu Lan TuanGinger Kitajima Courtney GrosbeckPiper Fisher Jennifer ChristopherTrish Jordan FarrandNurse Jordan Prescott Tim Van PeltNurse Tim Salinger Kassie ThorntonNurse Olive Rivera Meta GoldingNurse Noelle Hastings Loren EscandonLorrie Diaz Dominique StarNurse Vivi Mandel Cathryn Dylan OrtizBrenda Azurmendi Mackenzie AstinJereme Spencer Rebecca TilneyHelen Spencer Lovensky Jean-BaptisteSam Wallace Marguerite MoreauLynette Wheeler Amanda KnapicPPD Officer Freeman Brandan Hunter-DavisX-Ray Tech Gabriel Ruane Marcos De SilvasOfficer A. Harrelson Derek CecilMichael Williams Jayne TainiEvelyn Bostick Annabelle ToomeyKylie Conners Michael CognataAllen Billings Claude George Jr.Medic Manny Otero Savannah Nicole RuizAna Diaz Scott BroderickC.O. Nick Lorenzini Kevin BriefGeorge Francis Bonita FriedericyCora Wilkins Meghana MudiyamDr. Megan Nordt Marisa EcheverriaGeri Weiss Jenna MoloneyCoral Stevens Alfonso CaballeroOtis Williams Mei-Lin HoSangJia Yi Chen Patrick FaucetteBob Chazan Megan BarkleyChanel Sutton Amanda FullerMadison Humphrey Aidan McGrawAiden Humphrey Emma Rose SmithSophie Atwater Carmine GiovinazzoIvan Pugliesi Telvin GriffinOfficer Rich Stefano Jamie Lynn WatkinsNurse Jamie Roy Williams Jr.Officer M. Suggs Skyler StoneBuster Pirelli Bethany WallsWhitney Rivera Sean Patrick BryanSWAT Zinser Tom O'ConnellSWAT Dobrzycki Sarah Jane MorrisJaney Malloy Devon GummersallLarry Edwards David G. HollandOfficer Alberich Kerry KnuppeHillary Edwards Irina DubovaYana Kovalenko Jesse LambrightLiam Sanders Heather WyntersSister Grace Matthews Porter KellyMargaret 'Hail Mary' Walker Nyaling MarenahPhylicia Ronson Jay Jay WarrenJohnny Hansen Christopher T. WoodIan Randall Elysia RoorbachWillow Baptiste Michael NouriNathaniel Montrose Damian MarcanoRegisseur / Co-Executive Producer Amanda MarsalisRegisseur / Co-Executive Producer John WellsRegisseur / Executive Producer Noah WyleDr. Michael 'Robby' Robinavitch / Regisseur / Schrijver / Executive Producer Shawn HatosyDr. Jack Abbot / Regisseur R. Scott GemmillSchrijver / Executive Producer Joe SachsSchrijver / Executive Producer Simran BaidwanSchrijver / Executive Producer Cynthia AdarkwaSchrijver / Supervising Producer Kristen Pierre-GeyfmanSchrijver Michael HissrichExecutive Producer Erin JontowExecutive Producer Tyler FurtadoAssociate Producer Fred EinesmanConsulting Producer Nina RuscioProduction Design Matt CallahanSet Decoration Johanna CoelhoDirector Of Photography Katherine KousakisHair Department Head Myriam AroughetiMakeup Department Head Susan Youngman HoenScript Supervisor Kelly AkersScript Supervisor Gavin BrivikOriginal Music Composer Alexander JongbloedFoley Mixer Von VargaProduction Sound Mixer Ann KlineMusic Supervisor Bryan ParkerSupervising Sound Editor Nicholas KmetMusic Editor Ed CarrSound Re-Recording Mixer Todd GraceSound Re-Recording Mixer Michelle LankwardenUnit Production Manager Cathy Sandrich GelfondCasting Terri MurphyCo-Executive Producer Seth CaskeyCasting Associate Peter MartoranoLocation Manager 
