Cast

Allison Janney Allison Janney
Claudia Jean ‘C.J.’ Cregg (154 episodes, 1999-2006)
John Spencer John Spencer
Leo McGarry (154 episodes, 1999-2006)
Bradley Whitford Bradley Whitford
Josh Lyman (154 episodes, 1999-2006)
Martin Sheen Martin Sheen
President Josiah ‘Jed’ Bartlet (154 episodes, 1999-2006)
Janel Moloney Janel Moloney
Donna Moss (147 episodes, 1999-2006)
Richard Schiff Richard Schiff
Toby Ziegler (144 episodes, 1999-2006)
Dulé Hill Dulé Hill
Charlie Young (134 episodes, 1999-2006)
NiCole Robinson NiCole Robinson
Margaret Hooper (105 episodes, 1999-2006)
Melissa Fitzgerald Melissa Fitzgerald
Carol Fitzpatrick (99 episodes, 1999-2006)
Rob Lowe Rob Lowe
Sam Seaborn (82 episodes, 1999-2006)
Joshua Malina Joshua Malina
Will Bailey (78 episodes, 2002-2006)