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 Laura Prepon Frankie Guest Star Adam Rothenberg Taylor Guest Star Gonzalo Menendez Stuart Guest Star Catherine Kresge Joan Guest Star Elena Evangelo Belinda Guest Star Christina Vidal Sandy Guest Star Tracey Esposito Leeanne Guest Star Anise Fuller Melodie Guest Star Tonya Kay Chloe Guest Star Annie Weirich Dionne Guest Star Alexandra Cramer Grace Guest Star Lindsay Halladay Nicole Guest Star Tina Sanchez Elizabeth Guest Star Pamela Rooney Mary Guest Star Dava Krause Cashier Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer David Shore Executive Producer Bryan Singer Executive Producer Sanford Bookstaver Director Doris Egan Writer