Martin SheenPresident Josiah "Jed" Bartlet
Stockard ChanningAbigail "Abbey" Bartlet
John SpencerChief of Staff Leo McGarry
Bradley WhitfordDep. Chief of Staff Josh Lyman
Allison JanneyPress Secretary Claudia Jean "C.J." Cregg
Richard SchiffCommunications Dir. Toby Ziegler
Dulé HillCharlie Young
Janel MoloneyDonna Moss
Joshua MalinaWill Bailey
Mary McCormackKate Harper
Marlee MatlinJoey Lucas
Mary-Louise ParkerAmy Gardner
Tim MathesonJohn Hoynes
Lily TomlinDeborah Fiderer
NiCole RobinsonMargaret
Emily ProcterAinsley Hayes
Anna SmithNancy McNally
Timothy BusfieldDanny Concannon
Annabeth GishElizabeth Bartlet Westin
Nina SiemaszkoEllie Bartlet
Elisabeth MossZoey Bartlet
Allison SmithMallory O'Brien
Kathleen YorkAndrea Wyatt
Teri PoloHelen Santos
Jimmy SmitsMatthew Santos
Kristin ChenowethAnnabeth Schott
Gary ColeVice President Bob Russell
Ramon De OcampoOtto
Karis CampbellRonna
Renee EstevezNancy