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 Sela Ward Stacy Warner Guest Star Stacy Edwards Lucy Palmeiro Guest Star Sam Trammell Ethan Hartig Guest Star Marco Pelaez Hospital Pharmacist Guest Star Ingrid Sanai Buron Kimberly Guest Star Kenneth Choi Dr. Lim Guest Star Mike Starr Willie Guest Star Jason Stuart Adam Brown Guest Star Stephanie Venditto Nurse Brenda Previn Guest Star Bobbin Bergstrom Nurse Guest Star Ron Perkins Dr. Ron Simpson Guest Star Kenya D. Williamson Nurse Guest Star Kelly Kirklyn Mrs. Carroll Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer David Shore Executive Producer, Writer Bryan Singer Executive Producer, Director Bryan Spicer Director Frederick King Keller Director Peter O'Fallon Director Keith Gordon Director Nelson McCormick Director Randy Zisk Director Guy Ferland Director Lawrence Kaplow Writer John Mankiewicz Writer Thomas L. Moran Writer Peter Blake Writer Matt Witten Writer David Foster Writer Sara B. Cooper Writer