
Martin Sheen
President Josiah 'Jed' Bartlet (154 episodes, 1999
Dulé Hill
Charlie Young (135 episodes, 1999-2006)
Rob Lowe
Sam Seaborn (82 episodes, 1999-2006)
Jimmy Smits
Congressman Matthew Santos / ... (35 episodes, 200
Lily Tomlin
Deborah Fiderer / ... (35 episodes, 2002-2006)
Alan Alda
Senator Arnold Vinick (28 episodes, 2004-2006)
Ivan Allen
News Anchor Roger Salier (27 episodes, 1999-2006)
John Amos
Percy Fitzwallace (22 episodes, 1999-2004)
Gary Cole
Vice President Bob Russell (21 episodes, 2003-2006
Tim Matheson
Vice President John Hoynes / ... (19 episodes, 199
Teri Polo
Helen Santos (18 episodes, 2005-2006)
Steve Ryan
Secretary of Defense Miles Hutchinson (16 episodes
Ron Ostrow
Reporter John / ... (12 episodes, 2002-2005)
Chaz Fatur
Secret Service Agent (11 episodes, 2005-2006)
Ron Canada
Under Secretary of State Theodore Barrow / ... (10
Joyce Guy
Charlayne / ... (10 episodes, 2003-2006)
Steven Culp
Speaker of the House Jeff Haffley (9 episodes, 200
Tom Chick
Reporter Gordon / ... (9 episodes, 2003-2005)
Oliver Platt
White House Counsel Oliver Babish / ... (8 episode
Clark Gregg
FBI Special Agent Michael Casper / ... (8 episodes
Ryan Cutrona
CIA Director George Rollie (7 episodes, 2000-2005)
John Aylward
Barry Goodwin - Former DNC Chair / ... (6 episodes
Jorja Fox
Agent Gina Toscano (5 episodes, 2000)
Roger Rees
Brit. Ambassador Lord John Marbury (5 episodes, 20
Brett Cullen
Governor Ray Sullivan R-WV (5 episodes, 2005-2006)
Adam Arkin
Dr. Stanley Keyworth (4 episodes, 2000-2002)
John Goodman
Acting President Glenallen Walken / ... (4 episode
James McMann
Secret Service Agent / ... (4 episodes, 2004-2006)
Ben Murray
Curtis Carruthers (4 episodes, 2004-2005)
Ed O'Neill
Governor Eric Baker D-PA (4 episodes, 2004-2005)
Thom Barry
Congressman Mark Richardson (3 episodes, 1999-2003
Ben Weber
Vic Faison - Ellie's Fiancé (3 episodes, 2005)
Eric Payne
Secret Service Agent / ... (3 episodes, 2000-2001)
James Brolin
Governor Robert Ritchie, R-FL (3 episodes, 2002)
Carol Avery
Congresswoman Gleeson (3 episodes, 2004-2005)
George Coe
Sen. Howard Stackhouse (2 episodes, 2001-2002)
Hal Holbrook
Asst. Secretary of State Albie Duncan (2 episodes,
James Hong
Chinese Ambassador (2 episodes, 2000-2002)
Sam Lloyd
Bob Engler, U.S. Space Command (2 episodes, 1999-2
Felton Perry
Alcoholic Politician / ... (2 episodes, 2000-2002)
James Handy
Rep. Joseph Bruno, R-PA (2 episodes, 2000-2001)
Dean Norris
Steve Hodder - Republican Party Chairman (2 episod
Alan Dale
Secretary of Commerce Mitch Bryce (2 episodes, 200
John Getz
Congressman Mark B. Sellner (2 episodes, 2006)
Ana Mercedes
Sally, Military Aide in SitRoom (2 episodes, 2001)
Ted Garcia
Newscaster / ... (2 episodes, 2000-2002)
Van Epperson
Curtis Shaeffer - Chief Usher (2 episodes, 2006)
Taye Diggs
Secret Service Agent Wesley (2 episodes, 2003)
Milo O'Shea
Chief Justice Roy Ashland (2 episodes, 2003-2004)
Paul Rae
Reporter #2 / ... (2 episodes, 2004-2006)
Lo Ming
Dr. Lee / ... (2 episodes, 2000-2004)
Alex Baik
Secret Service Agent / ... (2 episodes, 1999-2000)
Michael Ahl
Air Force Major General / ... (2 episodes, 2001-20
Cleo King
Marla Whorisky / ... (2 episodes, 2004-2005)
Eli Danker
Israeli Defense Minister Doran Mazar (2 episodes,
Sean Lake
Construction Foreman / ... (2 episodes, 2005-2006)