Series episode
Cast: (24 - show/hide all)
| Hugh Laurie | ... | Dr. Gregory House |
| Lisa Edelstein | ... | Dr. Lisa Cuddy |
| Omar Epps | ... | Dr. Eric Foreman |
| Robert Sean Leonard | ... | Dr. James Wilson |
| Jennifer Morrison | ... | Dr. Allison Cameron |
| Jesse Spencer | ... | Dr. Robert Chase |
| Anne Dudek | ... | Dr. Amber Volakis |
| Edi Gathegi | ... | Dr. Jeffrey 'Big Love' Cole |
| Peter Jacobson | ... | Dr. Chris Taub |
| Kal Penn | ... | Dr. Lawrence Kutner |
| Olivia Wilde | ... | Thirteen |
| Carmen Argenziano | ... | Henry Dobson |
| Andy Comeau | ... | Dr. Travis Brennan |
| Meera Simhan | ... | Dr. Jody Desai |
| Essence Atkins | ... | Captain Greta Cooper |
| Melinda Dahl | ... | Twin 1 - a.k.a. #15A |
| Caitlin Dahl | ... | Twin 2 - a.k.a. #15B |
| Jonathan Sadowski | ... | Dr. Mason - a.k.a. No 10 |
| Jason Manuel Olazabal | ... | Dr. O'Reilly - a.k.a. #11 |
| Heather Fox | ... | Dr. Ashka - a.k.a. |
| Kathryn Adams | ... | #23 |
| Larkin Campbell | ... | Dave |
| Jaimarie Bjorge | ... | Beautiful Doctor |
| Bobbin Bergstrom | ... | Nurse |
Crew:
| Deran Sarafian | ... | Direction |
| Leonard Dick Doris Egan | ... | Script |