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 Guest Star Kal Penn Dr. Lawrence Kutner Guest Star Olivia Wilde Thirteen, Dr. Remy Hadley Guest Star Anne Dudek Dr. Amber Volakis Guest Star Paul Rae Jeff Guest Star Chad Morgan Deb Guest Star Marwan Ghazali Delivery Man Guest Star Christopher Emerson Young Man Guest Star Dina Defterios Luisa Maria Guest Star Bobbin Bergstrom Nurse Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer David Shore Executive Producer, Writer Bryan Singer Executive Producer Deran Sarafian Director David Hoselton Writer