Hell Breaks Loose

Steven Weber

Dr. Dean Archer

Jessy Schram

Dr. Hannah Asher

Luke Mitchell

Dr. Mitchell 'Mitch' Ripley

Sarah Ramos

Dr. Caitlin Lenox

Darren Barnet

Dr. John Frost

S. Epatha Merkerson

Sharon Goodwin

Oliver Platt

Dr. Daniel Charles

Matthew Isler

Paramedic Matt

Courtney Rioux

Paramedic Courtney

Lorena Diaz

Nurse Doris

Brennan Brown

Dr. Sam Abrams

Lynnette Li

Nurse Nancy

Marie Tredway

Nurse Trini

Luigi Sottile

Sean Archer

Jin Park

Paramedic Jin

Lauren Powell

Paramedic Evie

Ashlei Sharpe Chestnut

Dr. Naomi Howard