| Alan Alda | Senator Arnold Vinick |
| Kristin Chenoweth | Annabeth Schott |
| Allison Janney | C.J. Cregg |
| Joshua Malina | Will Bailey |
| Mary McCormack | Kate Harper |
| Janel Moloney | Donna Moss |
| John Spencer | Leo McGarry |
| Bradley Whitford | Josh Lyman |
| Jimmy Smits | Matthew Santos |
| Martin Sheen | President Josiah Bartlet |
| Timothy Busfield | Danny Concannon |
| Annabeth Gish | Elizabeth Bartlet Westin |
| Steven Eckholdt | Doug Westin |
| George Cheung | Chinese Ambassador Ling-Po |
| Tim Guinee | Steve Laussen |
| Ronald Guttman | Franz - German Ambassador |
| François Giroday | Jacques Ornand - French Ambassador |
| NiCole Robinson | Margaret Hooper |
| Stacy Hogue | Waitress |
| Johnny Chechitelli | White House Staffer |