| 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 |
| Ron Silver | Bruno Gianelli |
| John Amos | Percy Fitzwallace |
| Amy Adams | Cathy |
| NiCole Robinson | Margaret Hooper |
| Renée Estevez | Nancy |
| Joan MacIntosh | Meredith Walker |
| Valorie Armstrong | Mrs. Harrison |
| Art Chudabala | Peter Lien |
| Alan Dale | Secretary of Commerce Mitch Bryce |
| Victor McCay | Peter |
| Danielle Harris | Kiki |
| John Gallagher Jr. | Tyler |
| Ernestine Jackson | Fiona, Diner Owner |
| Joel Marsh Garland | Cap |
| Marina Palmier | Civilian
(as Marina Gonzalez Palmier) |
| Dan Gerrity | Civilian |
| Jack Tate | Civilian |
| Kim Webster | Ginger |
| Peter James Smith | Ed |
| William Duffy | Larry |
| Kris Murphy | Katie Witt |
| Timothy Davis-Reed | Mark O'Donnell |
| Tori Reid | Aide |
| S.E. Perry | Officer Thomas |
| Larry Cox | Staffer |
| Melissa Fitzgerald | Carol |
| Constance Pfeifer | Elderly Woman
(as Constance Pfeiffer) |
| Ron Newell | Store Manager |
| Rohn Thomas | Sy |
| Tommy Lafitte | Earl |
| Danielle Jones | Friend |
| Jennifer Armour | Friend |
| Amy K. Harmon | Volunteer
(as Amy Harmon) |
| Harry O'Toole | Man At Counter |
| Jerry Buys | Secret Service Agent
(uncredited) |
| John W. Iwanonkiw | Trucker at Table
(uncredited) |
| Jim Kuhn | Undercover Agent
(uncredited) |
| Robert Noble | Butler
(uncredited) |
| John Yost | Secret Service
(uncredited) |