| Dulé Hill | Charlie Young |
| Allison Janney | C.J. Cregg |
| Joshua Malina | Will Bailey |
| Janel Moloney | Donna Moss |
| Richard Schiff | Toby Ziegler |
| John Spencer | Leo McGarry |
| Bradley Whitford | Josh Lyman |
| Martin Sheen | President Josiah Bartlet |
| Mary McCormack | Kate Harper |
| Jesse Bradford | Ryan Pierce |
| John Amos | Percy Fitzwallace |
| Lily Tomlin | Deborah Fiderer |
| Anna Deavere Smith | Nancy McNally |
| Steven Culp | Speaker of the House Jeff Haffley |
| Sam Robards | Greg Brock |
| Brian Kerwin | Ben Dryer |
| Daniel Hugh Kelly | James Cook |
| Wayne Duvall | Bill Parsons |
| Melissa Fitzgerald | Carol Fitzpatrick |
| Peter James Smith | Ed |
| William Duffy | Larry |
| Wendy Schenker | Diane Golden |
| Jim Gleason | Steve Hubbard |
| Mindy Seeger | Chris |
| Ben Siegler | Reporter George |
| Saida Pagan | Anchor #1
(as Saida Rodriguez Pagan) |
| Penny Griego | Anchor #2 |
| Jerry Buys | Secret Service Agent
(uncredited) |
| Anne Lockhart | (uncredited) |