| Episode cast overview, first billed only: | |||
| Steve Carell | ... | Michael Scott | |
| Rainn Wilson | ... | Dwight Schrute | |
| John Krasinski | ... | Jim Halpert | |
| Jenna Fischer | ... | Pam Beesly | |
| Ed Helms | ... | Andy Bernard | |
| Leslie David Baker | ... | Stanley Hudson | |
| Brian Baumgartner | ... | Kevin Malone | |
| Creed Bratton | ... | Creed Bratton | |
| Kate Flannery | ... | Meredith Palmer | |
| Mindy Kaling | ... | Kelly Kapoor | |
| Angela Kinsey | ... | Angela Martin | |
| Oscar Nuñez | ... | Oscar Martinez | |
| Phyllis Smith | ... | Phyllis Vance | |
| Idris Elba | ... | Charles Miner | |
| Andy Buckley | ... | David Wallace | |
Michael gets upset when he gets a new boss to act as a buffer between him and David Wallace, and he gets even more upset when he disbands the Party Planning Committee and cancels Michael's fifteenth anniversary party.