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 Actor Kal Penn Dr. Lawrence Kutner Actor Olivia Wilde Thirteen, Dr. Remy Hadley Actor Jay Karnes Nick Greenwald Guest Star Susan Egan Audrey Greenwald Guest Star Darcy Rose Byrnes Marika Greenwald Guest Star Jodi Harris Elaine Guest Star Devon Michaels Timothy Moore Guest Star Carlos Arellano Nurse Gonzales Guest Star Sheri Foster Cashier Guest Star Bobbin Bergstrom Nurse Guest Star Cyrus Deboo Dr. Kapur Guest Star Alan Mueting Party Guest Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer David Shore Executive Producer Bryan Singer Executive Producer Andrew Bernstein Director Doris Egan Writer