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 Sela Ward Stacy Warner Guest Star Currie Graham Mark Warner Guest Star Julie Warner Margo Dalton Guest Star Edward Kerr Ted Dalton Guest Star Elle Fanning Stella Dalton Guest Star Holly Daniels Debbie Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer David Shore Executive Producer Bryan Singer Executive Producer David Semel Director Pamela Davis Director