Cast 45
William Fichtner
Dr. Bruce Kellerman (11 episodes)
Robert Joy
Frank Coones (11 episodes)
Leslie Stefanson
Shelly Pangborn (11 episodes)
Jane Lynch
Aileen Poole (11 episodes)
Aunjanue Ellis-Taylor
Quinn Joyner (11 episodes)
Michaela Conlin
Dr. Maggie Yang (11 episodes)
John Hannah
Dr. Robert Dalgety (11 episodes)
Linda Klein
Surgical Nurse (8 episodes)
Rainn Wilson
John Doe (2 episodes)
James Pickens Jr.
(1 episode)
Vernee Watson-Johnson
ER Admit Clerk #1 (1 episode)
Amy Hill
(1 episode)
Lindsay Frost
Linda Clark (1 episode)
Michael Cudlitz
(1 episode)
Rosalind Chao
Angela Yuan (1 episode)
Thomas Lennon
Chester E. Donge (1 episode)
Sheila Kelley
Pam Kellerman (1 episode)
Nadia Dajani
(1 episode)
Christine Tucci
Dr. Terri Calamari (1 episode)
Ricky Harris
Randy Stilton (1 episode)
Marshall Bell
Bill 'Wise Guy' Weisman (1 episode)
Wade Williams
Big Thor Amundsen (1 episode)
Mark Adair-Rios
Que Paso (1 episode)
Miguel Pérez
Mr. Lopez (1 episode)
Michael Irby
Jaime Lopez (1 episode)
Jenna Gering
Julia (1 episode)
Aimee Garcia
Gina Willis (1 episode)
Anjul Nigam
Nurse Manoj Nakshi (1 episode)
Danielle Camastra
Gina Reyes (1 episode)
Sara Bruner
Robin Pikarsky (1 episode)
Dan Bucatinsky
Kurt (1 episode)
Katrina Elias
Mother (1 episode)
Daniel Edward Mora
Father (1 episode)
Darryl Fong
EMT (1 episode)
Matthew Yang King
2nd Year Student (1 episode)
Demetrius Phillips
Dr. Marc Wolf (1 episode)
Meera Simhan
Dr. Singh (1 episode)
Jenjer Vick Robin
Nurse (1 episode)
Jennie Ventriss
Elderly Woman (1 episode)
Tracy Vilar
ER Nurse #2 (1 episode)
Blayne Weaver
Smart Ass 2nd Year (1 episode)
Carol Whiteleather
Booking Nurse (1 episode)
Uwe Schwarzwalder
Cop (1 episode)
Todd Kimsey
Tim Conley (1 episode)
T.J. Thyne
I.T. Guy (1 episode)
Directing 7
Peter O'Fallon
Director (2 episodes)
Peter Horton
Director (1 episode)
Rick Rosenthal
Director (1 episode)
Michael M. Robin
Director (1 episode)
Vondie Curtis-Hall
Director (1 episode)
Dan Lerner
Director (1 episode)
Vincent Misiano
Director (1 episode)
