| Rob Lowe | Sam Seaborn |
| Dulé Hill | Charlie Young |
| Allison Janney | C.J. Cregg |
| Janel Moloney | Donna Moss |
| Richard Schiff | Toby Ziegler |
| John Spencer | Leo McGarry |
| Bradley Whitford | Josh Lyman |
| Martin Sheen | President Josiah Bartlet |
| Oliver Platt | Oliver Babish |
| Emily Procter | Ainsley Hayes |
| Jacqueline Kim | Lt. Emily Lowenbrau |
| Robert Curtis Brown | Jamie Hotchkiss |
| Kathryn Joosten | Dolores Landingham |
| NiCole Robinson | Margaret Hooper |
| Scott Lawrence | Congressional Committee Chair |
| Michael Mantell | Congressional Committee Chair |
| Eric Stonestreet | Staffer #1 |
| Scott Atkinson | Staffer #2 |
| Jossie Thacker | Staffer #3
(as Jossie Harris Thacker) |
| Melissa Fitzgerald | Carol Fitzpatrick |
| Kim Webster | Ginger |
| Devika Parikh | Bonnie |
| William Duffy | Larry |
| Peter James Smith | Ed |
| David Ackert | Babish staffer |
| Trace Beaulieu | Cal |
| Charles Noland | Reporter Steve |
| Kris Murphy | Katie Witt |
| Randy Brooks | Arthur Leeds
(as Randolph Brooks) |
| Timothy Davis-Reed | Mark O'Donnell |
| Shishir Kurup | Zach |
| Sean Allen Jones | Uniformed Secret Service Agent
(uncredited) |