Main Characters President Jed Bartlet 155 main appearances Leo McGarry 155 main appearances Claudia Jean "C.J." Cregg 155 main appearances Josh Lyman 155 main appearances Donna Moss 128 main appearances Toby Ziegler 145 main appearances Charlie Young 137 main appearances Sam Seaborn 83 main appearances Will Bailey 75 main appearances Abbey Bartlet 60 main appearances Kate Harper 44 main appearances Matthew Santos 37 main appearances Annabeth Schott 21 main appearances Senator Arnold Vinick 26 main appearances Zoey Bartlet Mandy Hampton 22 main appearances
Recurring Guest Characters Donna Moss 22 guest appearances Margaret Hooper 88 guest appearances Sam Seaborn 2 guest appearances Will Bailey 5 guest appearances Abbey Bartlet 11 guest appearances Kate Harper 4 guest appearances Nancy 44 guest appearances Matthew Santos 1 guest appearances Annabeth Schott 13 guest appearances Deborah Fiderer 34 guest appearances Senator Arnold Vinick 1 guest appearances Danny Concannon 27 guest appearances Zoey Bartlet 25 guest appearances Amy Gardner 23 guest appearances Percy Fitzwallace 22 guest appearances Vice President Bob Russell 21 guest appearances Ronna 21 guest appearances Marine Guard 20 guest appearances Vice President John Hoynes 19 guest appearances Nancy McNally 19 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥