Alex GravesDirector
Rob LoweSam Seaborn
Martin SheenPresident Josiah "Jed" Bartlet
Bradley WhitfordDep. Chief of Staff Josh Lyman
John SpencerChief of Staff Leo McGarry
Richard SchiffCommunications Dir. Toby Ziegler
Allison JanneyPress Secretary Claudia Jean "C.J." Cregg
Dulé HillCharlie Young
Janel MoloneyDonna Moss
Stockard ChanningAbigail "Abbey" Bartlet
John AmosPercy Fitzwallace
Lily TomlinDeborah Fiderer
Adam ArkinDr. Stanley Keyworth
Mary-Louise ParkerAmy Gardner
Mark HarmonAgent Simon Donovan
James BrolinGovernor Robert Ritchie
Kurt FullerSituation Room Civilian Advisor
Michael O'NeillSecret Service Agent Ron Butterfield
David HuddlestonSenator Max Lobell
Armin ShimermanRichard III
NiCole RobinsonMargaret
Renee EstevezNancy
Andrew McFarlaneAnthony Marcus
William Thomas Jr.Situation Room Advisor David
Glenn MorshowerMike Chysler
Thomas KopacheAssistant Secretary of State Bob Slatterly
Kris MurphyKatie Witt