Characters played by Hugh Laurie
Self
Characters played by Robert Sean Leonard
Self
Characters played by Omar Epps
Self
Characters played by Jennifer Morrison
Self
Characters played by Jesse Spencer
Self
Characters played by Peter Jacobson
Self
Characters played by Odette Annable
Self
Characters played by Charlyne Yi
Self
Characters played by Eros Biox
Clown
Characters played by Olivia Wilde
Self
Characters played by Lisa Edelstein
Self
Characters played by Gudies
Self
Characters played by Allen Marshall Palmer
Self
Characters played by Patrick Price
Nurse Jeffrey Sparkman
Self