Martin Sheen

Josiah "Jed" Bartlet

Allison Janney

Claudia Jean "C.J." Cregg

Richard Schiff

Toby Ziegler

John Spencer

Leopold "Leo" McGarry

Bradley Whitford

Joshua Lyman

Janel Moloney

Donna Moss

Joshua Malina

Will Bailey

Jimmy Smits

Matthew Santos

Kristin Chenoweth

Annabeth Schott

Alan Alda

Sénateur Arnold Vinick

Mary McCormack

Kate Harper