Characters played by Jason Ritter
Jack Malloy
Characters played by Michael B. Jordan
Travis
Characters played by Michael Imperioli
Dr. David Mercer
Characters played by Aimee Garcia
Rosa
Characters played by Patrick Fischler
Hendricks
Characters played by Brianne Tju
Olivia
Characters played by Jess Weixler
Erica Kinsey
Characters played by Emily Rios
Lucy
Characters played by Agam Darshi
Talaikha
Characters played by Sumalee Montano
Malea
Characters played by Norbert Leo Butz
Billy
Characters played by Yaani King Mondschein
Angela
Characters played by Jessica Marie Garcia
Vicky Santos
Characters played by Fernanda Romero
Nurse Rosario
Characters played by Phil Abrams
Abe Goldenrod
Characters played by Tonye Patano
Liz
Characters played by Roberto 'Sanz' Sanchez
Marcelino Santos
Characters played by Evan Arnold
ER Doc Margolis
Characters played by Burt Bulos
E.R. Doc Aquino
Characters played by Stacie Greenwell
Mrs. Warner
Characters played by Cory Roberts
Prisoner Wilson
Characters played by Rahul Nath
Resident Akhil
Characters played by Frank Gallegos
Officer Wade
Characters played by Stephanie Maura Sanchez
Emilia Rodriguez
Characters played by Toby Holguin
Dad #2
Characters played by Jorga Caye
Visitor
Characters played by Kelly Hawthorne
Nurse Bernice
Characters played by Sandy Baumann
ER Nurse Susan
Characters played by T.W. Leshner
Intern
Characters played by Angelina Sinclair
Sheila
Characters played by Kevin Perez
Emt
Characters played by Aristotle Dreher
Hospital Patient
Characters played by Matthew Iott
Surgeon
Characters played by Santino Jimenez
Phillipe Rodriquez
Characters played by Stephen Janousek
ER Nurse
Characters played by Trevor Hammonds
ER Patient
Characters played by Andrew Wayne
Orderly
Characters played by Ryan McAllister
Mr. Olanrewaju's son
Characters played by A.J. Smitrovich
Another Intern
Characters played by Linda America
ER Nurse
Characters played by Deidre Arrington
Resident
Intern
Characters played by Jacobi Rain
Doctor
Characters played by Tanya R. Barnes
ER Patient
Characters played by Jordyn Harrell
Self - ER Patient
Characters played by Jose Molina
Hospital Patient
Characters played by Tina King
Senior Doctor
Characters played by Shannon Berry
Family member