Three Rivers

• 
  Alex O'Loughlin
  Dr. Andy Yablonski
• 
  Katherine 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
• 
  Devika Parikh
  Nurse Rehka
• 
  Owiso Odera
  Kuol
• 
  Joe Holt
  Bret
• 
  Puja Mohindra
  EMT
• 
  Claudia Choi
  ICU Nurse
• 
  Sabra Williams
  Nurse Williams
• 
  Teri Reeves
  Nurse Alicia
• 
  Mercedes Mason
  Vanessa
• 
  Bruce Katzman
  Dr. Richard Strauss
• 
  Shiloh Fernandez
  Scott Becker
• 
  Rizwan Manji
  Dr. Dev
• 
  Paull Walia
  Dr. Inder Patel
• 
  Louie Alegria
  EMT
• 
  Caryn West
  Dr. Susan Heyworth
• 
  William Sadler
  Michael Zelasko
• 
  Oded Fehr
  Dr. Luc Bovell
• 
  Kelly Overton
  Det. Rena Yablonski
• 
  John Bedford Lloyd
  Dr. Yorn
• 
  Omid Abtahi
  Dr. Yousef Khouri
• 
  B.J. Britt
  Antoine
• 
  Stacey Scowley
  Bullpen Nurse
• 
  Brooklyn McLinn
  ER Nurse
• 
  Page Leong
  Dr. Margolis

• Rob Bailey
• Christine Moore
• Matt Earl Beesley
• Duane Clark
• Chris Fisher
• Peter Markle
• Daniel Attias
• Rick Bota
• Paul Holahan
• Jeff T. Thomas

• Carol Barbee
  ...
  (creator)
• David Amann
• Frank Military
  ...
  (writer)
• Sunil Nayar
• Greg Walker
• Jim Adler
• Lance Gentile
• Ildy Modrovich