Martin Sheen

(President Josiah "Jed" Bartlet)

Stockard Channing

(Abigail "Abbey" Bartlet)

John Spencer

(Chief of Staff Leo McGarry)

Bradley Whitford

(Dep. Chief of Staff Josh Lyman)

Allison Janney

(Press Secretary Claudia Jean "C.J." Cregg)

Richard Schiff

(Communications Dir. Toby Ziegler)

Dulé Hill

(Charlie Young)

Janel Moloney

(Donna Moss)

Joshua Malina

(Will Bailey)

Rob Lowe

(Sam Seaborn)

Mary McCormack

(Kate Harper)

Alan Alda

(Senator Arnold Vinick)

Lily Tomlin

(Deborah Fiderer)

Mary-Louise Parker

(Amy Gardner)

Moira Kelly

(Mandy Hampton)

Janeane Garofalo

(louise Thornton)

Teri Polo

(Helen Santos)

Kristin Chenoweth

(Annabeth Schott)