| 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 |
| Glenn Close | Chief Justice Evelyn Baker Lang |
| Jesse Bradford | Ryan Pierce |
| William Fichtner | Justice Christopher Mulready |
| Lily Tomlin | Deborah Fiderer |
| Mitchell Ryan | Senator Roland Pierce |
| Milo O'Shea | Chief Justice Roy Ashland |
| Melissa Marsala | Rina |
| Kathleen York | Andrea Wyatt |
| Deirdre Lovejoy | Lisa Wolfe |
| Robert Picardo | E. Bradford Shelton |
| NiCole Robinson | Margaret Hooper |
| Melissa Fitzgerald | Carol Fitzpatrick |
| Saida Pagan | Anchor |
| Michael Kozak | Tom |