| Steve Carell | Michael Scott |
| Rainn Wilson | Dwight Schrute |
| John Krasinski | Jim Halpert |
| Jenna Fischer | Pam Beesly |
| B.J. Novak | Ryan Howard |
| 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 |
| Ellie Kemper | Erin Hannon |
| Angela Kinsey | Angela Martin |
| Oscar Nuñez | Oscar Martinez
(as Oscar Nunez) |
| Craig Robinson | Darryl Philbin |
| Phyllis Smith | Phyllis Vance |
| Zach Woods | Gabe Lewis |
| Amy Ryan | Holly Flax |
| Hugh Dane | Hank |
| Michael Tuba Heatherton | Golf Supply Guy (Seminar Attendee) |
| Janet Hoskins | Seminar Attendee |
| Kim Kim | Korean Woman #2 (Seminar Attendee) |
| Christopher Nicholas Smith | Credit Card Guy (Seminar Attendee) |
| Janet Song | Korean Woman #1 (Seminar Attendee) |
| Charles C. Stevenson Jr. | Mine Shaft Guy (Seminar Attendee) |
| Greg Tuculescu | Tom (Seminar Attendee) |
| Ricky Gervais | David Brent
(uncredited) |