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 David Morse Michael Tritter Guest Star Edward Edwards Richard McNeil Guest Star Leighton Meester Ali Guest Star Kadeem Hardison Lawyer Howard Gemeiner Guest Star Kimberly Quinn Nurse Wendy Guest Star Stephanie Venditto Nurse Brenda Previn Guest Star Ingrid Sanai Buron Nurse Bev Guest Star Cindy Lu Nurse Guest Star Bobbin Bergstrom Nurse Guest Star Ron Perkins Dr. Ron Simpson Guest Star Aulani Rhea Nurse Guest Star Marco Pelaez Hospital Pharmacist Guest Star Joel David Moore Eddie Guest Star Hira Ambrosino Dr. Chen Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer, Director David Shore Executive Producer, Writer Bryan Singer Executive Producer Deran Sarafian Director Daniel Sackheim Director Elodie Keene Director Laura Innes Director Lawrence Kaplow Writer Thomas L. Moran Writer Leonard Dick Writer Doris Egan Writer Pamela Davis Writer David Foster Writer David Hoselton Writer Sara Hess Writer Russel Friend Writer Garrett Lerner Writer