Episode Ignorance Is Bliss Adaptation: House MD Episode: 6x08 Airdate: 23 November 2009 IMDb: Ignorance Is Bliss (link not verified) Previous: Teamwork Next: Wilson Cast Hugh Laurie as Dr. Gregory House Robert Sean Leonard as Dr. James Wilson Larry Cedar as Ed Beringer Dava Krause as Cashier Jesse Spencer as Dr. Robert Chase Lisa Edelstein as Dr. Lisa Cuddy Eric Naroyan as Cuddy's Dinner Guest Cheryl Carter as Diana Michael Weston as Lucas Douglas Omar Epps as Dr. Eric Foreman Olivia Wilde as Dr. Remy 'Thirteen' Hadley Bobbin Bergstrom as Nurse Andrea Gabriel as Ronnie Felicia Chong as Hospital Secretary Vicki Davis as Dara Sidas Esteban Powell as James Sidas Patrick Price as Nurse Jeffrey Sparkman Peter Jacobson as Dr. Chris Taub Jennifer Crystal Foley as Rachel Taub Gabrielle Thomas as Woman