On screen
Cast
54 credited performers
Alex O'Loughlin
Dr. Andy Yablonski
Kate Moennig
Dr. Miranda Foster
Daniel Henney
Dr. David Lee
Christopher J. Hanke
Ryan Abbott
Justina Machado
Pam Acosta
Amber Clayton
Dr. Lisa Reed
Alfre Woodard
Dr. Sophia Jordan
Mercedes Mason
Vanessa
Rizwan Manji
Dr. Dev
Kelly Overton
Det. Rena Yablonski
William Sadler
Character not listed
John Bedford Lloyd
Character not listed
Sabra Williams
Character not listed
Sprague Grayden
Character not listed
Tessa Thompson
Character not listed
Katija Pevec
Character not listed
Marina Sirtis
Character not listed
Joelle Carter
Character not listed
Tim Guinee
Character not listed
Hillary Tuck
Character not listed
B.J. Britt
Character not listed
Jermaine Williams
Character not listed
Mandy Patinkin
Character not listed
Shiloh Fernandez
Character not listed
Pablo Schreiber
Character not listed
Alyssa Diaz
Character not listed
Lennie James
Character not listed
P.J. Byrne
Character not listed
Arjay Smith
Character not listed
Lorraine Toussaint
Character not listed
James DuMont
Character not listed
Brett Cullen
Character not listed
Dana Cuomo
Character not listed
Paul Perri
Character not listed
Matt Roth
Character not listed
D. C. Douglas
Character not listed
Kevin Rahm
Character not listed
Michael Gaston
Character not listed
Todd Babcock
Character not listed
J. Paul Boehmer
Character not listed
Janina Gavankar
Character not listed
Felicia Day
Character not listed
Bernard White
Character not listed
Mac Brandt
Character not listed
J. Downing
Character not listed
Michael Mosley
Character not listed
Britt Robertson
Brenda Stark
Mekenna Melvin
Angela
Devon Werkheiser
Bobby
Cody Longo
Blair
Nicholas Braun
Michael
Mandy June Turpin
Dr. Sharon Wright (uncredited)
Rebecca Harris
Lucy Welsh
Laurie Klatscher
ER nurse