Hugh Laurie Dr. Gregory House Actor Lisa Edelstein Dr. Lisa Cuddy Actor Robert Sean Leonard Dr. James Wilson Actor Jennifer Morrison Dr. Allison Cameron Actor Omar Epps Dr. Eric Foreman Actor Jesse Spencer Dr. Robert Chase Actor Chi McBride Edward Vogler Guest Star Joe Morton Senator Gary H. Wright Guest Star Elizabeth Karr Hostess Guest Star Dominic Oliver Reynolds Guest Star Melissa Crider Susan Guest Star Sahar Bibiyan Clinic Nurse Guest Star Bobbin Bergstrom Nurse Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer David Shore Executive Producer Bryan Singer Executive Producer Peter O'Fallon Director Matt Witten Writer