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 Patrick Bauchau Dr. Rowan Chase Guest Star Daryl Sabara Gabriel Reilich Guest Star Nestor Carbonell Jeffrey Reilich Guest Star Tracy Middendorf Sarah Reilich Guest Star David Henrie Tommy Guest Star Dennis Bendersky Davey Guest Star R.J. Root Sam Guest Star Jack Walsh Ozzy Guest Star Alejandro Patiño Cabbie Guest Star Abbey McBride Blonde Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer David Shore Executive Producer Bryan Singer Executive Producer Daniel Sackheim Director Matt Witten Writer Peter Blake Writer