Treat Williams

役 Dr. Nathaniel "Nate" Grant

Kari Matchett

役 Kate Armstrong

Chris William Martin

役 Dr. Simon Griffith

Danielle Nicolet

役 Nurse Mary Singletary

Gage Golightly

役 Thea Grant

Morena Baccarin

役 Nurse Jessica Kivala

Rockmond Dunbar

役 Dr. Tom Jonas