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 Ever Carradine Karen Hartig Guest Star Sam Trammell Ethan Hartig Guest Star Melissa Marsala Judy Lupino Guest Star Alexandra Bokyun Chun Kim Chen Guest Star Hedy Burress Jill Guest Star Kenneth Choi Dr. Lim Guest Star Benjamin John Parrillo Dr. Kubisak Guest Star Marc Menard Soap Doctor Guest Star Madison Bauer Patient in Soap Opera Guest Star Shawn Carter Peterson Male Med Student Guest Star Cress Williams Hospital Attorney Guest Star Dwight Armstrong Charlie Guest Star Donna Stearns Volunteer Guest Star Nate Torrence Young Man Guest Star Jocelyn Jackson Young Woman Guest Star Paul Attanasio Executive Producer Katie Jacobs Executive Producer David Shore Executive Producer Bryan Singer Executive Producer Newton Thomas Sigel Director Peter Blake Writer