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 Cynthia Nixon Anica Jovanovich Guest Star Nell Rutledge Hailey Guest Star Xhercis Imelda Guest Star Patrick LoSasso Do-Gooder Guest Star Larry Weissman Fat Man Guest Star David Desantos ER Doctor Guest Star Rod Britt Teller Guest Star Bru Muller John Guest Star Peter Abbay Cab Driver Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer David Shore Executive Producer Bryan Singer Executive Producer Deran Sarafian Director Michael R. Perry Writer