| Alan Alda | Senator Arnold Vinick |
| Kristin Chenoweth | Annabeth Schott
(credit only) |
| Allison Janney | C.J. Cregg
(credit only) |
| Mary McCormack | Kate Harper
(credit only) |
| Richard Schiff | Toby Ziegler
(credit only) |
| John Spencer | Leo McGarry
(credit only) |
| Bradley Whitford | Josh Lyman |
| Jimmy Smits | Matthew Santos |
| Martin Sheen | President Josiah Bartlet
(credit only) |
| Janeane Garofalo | Louise Thornton |
| Patricia Richardson | Sheila Brooks |
| Ron Silver | Bruno Gianelli |
| Brett Cullen | Governor Ray Sullivan R-WV |
| William Russ | Dan |
| Julian Acosta | Leon Montero |
| Matthew Del Negro | Bram Howard |
| Peter Mackenzie | George Rohr - American Christian Assembly
(as Peter MacKenzie) |
| Chris Matthews | Chris Matthews |
| Tom Everett | Agent Charles Frost |
| Gavin Glennon | Secret Service Leader |
| Annie Morgan | Annie |
| Becky Meister | TV Reporter Sally |
| Sumalee Montano | Vinick Reporter #1 |
| Timothy Davis-Reed | Mark O'Donnell - Vinick Reporter #2 |
| Ben Siegler | George - Vinnick Reporter #3 |
| Colette O'Connell | Ellen Trayers - Boston Globe |
| Kris Murphy | Katie Witt - Santos Reporter #1 |
| Phil Trask Jr. | Santos Reporter #2 |
| Michael Earl Reid | Minute Man Harley Parker |
| Alicia-Lee | Senate Reporter #1 |
| Ken Michelman | Ted Zukoski - Chicago Tribune |
| Rosemary Garris | Minuteman
(uncredited) |
| Adam Pilver | Vinick Reporter
(uncredited) |
| Rachel Zeskind | TV Reporter
(uncredited) |