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 Olivia Wilde Thirteen, Dr. Remy Hadley Actor Michael Weston Lucas Douglas Guest Star Jennifer Crystal Foley Rachel Taub Guest Star Patrick Price Nurse Jeffrey Sparkman Guest Star Esteban Powell James Sidas Guest Star Vicki Davis Dara Sidas Guest Star Larry Cedar Ed Beringer Guest Star Cheryl Carter Diana Guest Star Andrea Gabriel Ronnie Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer David Shore Executive Producer Bryan Singer Executive Producer Greg Yaitanes Director David Hoselton Writer