Martin Sheen President Josiah "Jed" Bartlet Actor Stockard Channing Abigail "Abbey" Bartlet Actor John Spencer Chief of Staff Leo McGarry Actor Bradley Whitford Dep. Chief of Staff Josh Lyman Actor Allison Janney Press Secretary Claudia Jean "C.J." Cregg Actor Richard Schiff Communications Dir. Toby Ziegler Actor Dulé Hill Charlie Young Actor Janel Moloney Donna Moss Actor Joshua Malina Will Bailey Actor Mary McCormack Kate Harper Actor NiCole Robinson Margaret Guest Star Lily Tomlin Deborah Fiderer Guest Star Terry O'Quinn General Nicholas Alexander Guest Star Makram Khoury Palestinian Chairman Nizar Farad Guest Star Natalia Nogulich Israeli Ambassador Shira Galit Guest Star Armin Mueller-Stahl Israeli Prime Minister Efraim "Eli" Zahavy Guest Star Eli Danker Israeli Defense Minister Doran Mazar Guest Star Marcelo Tubert Palestinian Prime Minister Saeb Mukarat Guest Star Melissa Fitzgerald Carol Fitzpatrick Guest Star Kris Murphy Katie Witt Guest Star Ann Ducati Maya Zahavy Guest Star Steven Culp Speaker of the House Jeff Haffley Guest Star John Wells Executive Producer