Hugh Laurie Dr. Gregory House Actor Lisa Edelstein Dr. Lisa Cuddy Actor Omar Epps Dr. Eric Foreman Actor Robert Sean Leonard Dr. James Wilson Actor Jennifer Morrison Dr. Allison Cameron Actor Jesse Spencer Dr. Robert Chase Actor Peter Jacobson Dr. Chris Taub Actor Kal Penn Dr. Lawrence Kutner Actor Olivia Wilde Thirteen, Dr. Remy Hadley Actor Judy Greer Morgan West Guest Star Christopher Moynihan Neil Zane Guest Star Jennifer Crystal Foley Guest Star Whitney Cummings Courtney Guest Star Charlie Carter Billy Guest Star Lorene Noh Business-Suited Woman Guest Star Bobbin Bergstrom Nurse Guest Star Bob Ross Connor Allen Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer David Shore Executive Producer Bryan Singer Executive Producer Juan José Campanella Director Peter Blake Writer