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 Liliya Toneva Liz Guest Star Kay Lenz Mrs. Bradberry Guest Star Conor Dubin Ben Guest Star Bevin Prince Megan Guest Star Pat Millicano Leon Guest Star Kathryn Adams Young Doctor Guest Star Ken Takemoto Sam Lee Guest Star Leo Vargas Male Nurse Guest Star Maurice Godin Dr. Hourani Guest Star Xhercis Imelda Guest Star Shannon McClung Doug 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 Peter Blake Writer