| Dulé Hill as | Charlie (Charles) Young | Personal Aide to the President |
| Allison Janney as | C.J. (Claudia Jean) Cregg | Press Secretary |
| Joshua Malina as | Will (William) Bailey | Vice President's Chief of Staff |
| Janel Moloney as | Donna (Donnatella) Moss | Assistant to Deputy Chief of Staff |
| Richard Schiff as | Toby (Tobias Zachary) Ziegler | Communications Director |
| John Spencer as | Leo Thomas McGarry | Chief of Staff |
| Bradley Whitford as | Josh (Joshua) Lyman | Deputy Chief of Staff |
| and Martin Sheen as |
Jed (Josiah Edward) Bartlet | President of the United States |
| Guest Starring | ||
| Melissa Marsala as | Marina "Rena" | Research Assistant |
| Josef Sommer as | Steve Gaines | Senator |
| Kate Burton as | Sarah Brainerd | Senator |
| Michael Nouri as | Roy Turner | Senator |
| Scott Allan Campbell as | Grey Polk | Wall Street Journal Reporter |
| and Joaquim de Almeida as |
Carlos Carrio | Argentine Economic Attaché |
| Co-Starring | ||
| Melissa Fitzgerald as | Carol | Fitzpatrick (last name) Assistant to the Press Secretary |
| Mindy Seeger as | Chris | Reporter |
| Ron Ostrow as | John | Reporter |
| Joyce Guy as | Charlayne | Reporter |
| Ivan Allen as | Commentator | Roger Salier |
| Tom W. Chick as | Gordon | Reporter |
| John J. Dalesandro as | Secret Service Agent | |
| James Ingersoll as | Cable News Pundit |
TVG: How did you meet?
Jane Kaczmarek: On a blind date in New York City.
TVG: Did you bond over your Wisconsin roots?
Jane Kaczmarek: When we finally went out we did.
TVG: You didn't want to go out?
Bradley Whitford: I was doing a play at Lincoln Center, a Shakespearean play ("Measure for Measure") with Kate Burton, Richard Burton's daughter.
Jane Kaczmarek: She's my best friend. We went to Yale together.
Bradley Whitford: So I'm doing a play with [Kate] and she has this friend, and...I didn't want to go out with an actress.
Jane Kaczmarek: I didn't want to go out with an actor. Conventional wisdom is that actors are very self-involved.
by Janet Weeks
February 2002
TV Guide (American edition)
Michael [Nouri]: Just before this, I was playing Senator Turner on "The West Wing."
Reporter: Is that a recurring role?
Michael [Nouri]: I hope so.
"'It's a Living,' a Play in One Act"
by Joyce Wadler
February 12, 2004
New York Times
Sen. Hillary Rodham Clinton and Rep. John McHugh are picking a fight with the fictional "West Wing" White House over a scene aired Wednesday where an aide discussed closing a upstate military base....
... before adding a bit of levity in their postscript, thanking another fictional person on the show for "trying to save Social Security" in a PREVIOUS
"Clinton lobbies 'West Wing' aide"
by Devlin Barrett
February 26, 2004
Associated Press