Josiah Bartlet (154 episodes)

C.J. Cregg (154 episodes)

Leo McGarry (154 episodes)

Writer (2 episodes)

Donna Moss (145 episodes)

Director (2 episodes)

Charlie Young (138 episodes)

Margaret Hooper (106 episodes)

Carol Fitzpatrick (101 episodes)

Will Bailey (83 episodes)

Sam Seaborn (79 episodes)

Abbey Bartlet (68 episodes)

Ginger (55 episodes)

Kim (1 episode)

Katie Witt (52 episodes)

Mark O'Donnell (49 episodes)

Kate Harper (48 episodes)

Staffer (46 episodes)

Ed (45 episodes)

Nancy (44 episodes)

Reporter Steve (22 episodes)

Steve (15 episodes)

Reporter (6 episodes)

Bonnie (40 episodes)

Matthew Santos (35 episodes)

Annabeth Schott (35 episodes)

Deborah Fiderer (34 episodes)

Chris (32 episodes)

Reporter (2 episodes)

Dolores Landingham (30 episodes)

Arnold Vinick (27 episodes)

Danny Concannon (27 episodes)

Roger Salier (20 episodes)

Newscaster (5 episodes)

TV Anchor (1 episode)

Zoey Bartlet (25 episodes)

Amy Gardner (23 episodes)

Mandy Hampton (22 episodes)

Bob Russell (22 episodes)

Percy Fitzwallace (22 episodes)

Ronna (22 episodes)

Arthur Leeds (17 episodes)

Lyle (2 episodes)

Reporter (1 episode)

Nancy McNally (19 episodes)

Bruno Gianelli (19 episodes)

Director (1 episode)

Helen Santos (18 episodes)

Joey Lucas (17 episodes)

Bram Howard (16 episodes)

Miles Hutchinson (16 episodes)

Andrea Wyatt (15 episodes)

Ron Butterfield (15 episodes)

Kenny Thurman (15 episodes)

Louise Thornton (15 episodes)

Bob Slatterly (14 episodes)

Secret Service Agent (5 episodes)

Agent Donnie (5 episodes)

Donnie (3 episodes)

Anchorwoman (7 episodes)

Anchor (2 episodes)

Newscaster (2 episodes)

TV Reporter (1 episode)

News Anchor (1 episode)

Ainsley Hayes (12 episodes)

Bobbi (12 episodes)

John (12 episodes)

Mallory O'Brien (11 episodes)

Theodore Barrow (10 episodes)

Charlayne (10 episodes)

Tom (5 episodes)

Civilian Tom (3 episodes)

Director (1 episode)

Civilian (1 episode)

Ned (10 episodes)

Otto (10 episodes)

Ellie Bartlet (9 episodes)

Sheila Brooks (9 episodes)

Bob Mayer (9 episodes)

Cathy (9 episodes)

Jeff Haffley (9 episodes)

Ryan Pierce (9 episodes)

Gordon (9 episodes)

Elsie Snuffin (8 episodes)

Michael Casper (8 episodes)

Edie Ortega (8 episodes)

Robbie Mosley (8 episodes)

Greg Brock (8 episodes)

Oliver Babish (8 episodes)

Mike Chysler (8 episodes)

George (8 episodes)

Nicholas Alexander (7 episodes)

Clifford Calley (7 episodes)

George Rollie (7 episodes)

Barry Goodwin (6 episodes)

Rina (6 episodes)

Elizabeth Bartlet-Westin (6 episodes)

Angela Blake (6 episodes)

Jean Paul (6 episodes)

Robert Royce (6 episodes)

Peter (5 episodes)

Henry (1 episode)

Annie (5 episodes)

Vinnick Staffer (1 episode)

John Marbury (5 episodes)

Jordon Kendall (5 episodes)

Agent Gina Toscano (5 episodes)

Laurie (5 episodes)

Anna (4 episodes)

Aide (1 episode)

Ray Sullivan (5 episodes)

Doug Westin (5 episodes)

Military Aide Thompson (5 episodes)

Reporter Jonathan (5 episodes)

Phil (5 episodes)

Officer (3 episodes)

Colonel (1 episode)

Military Aide (1 episode)

Connie Tate (4 episodes)

Glenallen Walken (4 episodes)

Jane Braun (4 episodes)

Anthony Marcus (4 episodes)

Eric Baker (4 episodes)

Simon Donovan (4 episodes)

Efraim 'Eli' Zahavy (4 episodes)

Stanley Keyworth (4 episodes)

Officer Mike (4 episodes)

Senior Staffer (3 episodes)

Aide (1 episode)

Mike (4 episodes)

Officer (4 episodes)

Reporter Jesse (4 episodes)

Reporter (3 episodes)

Sondra (1 episode)

Senator's Aide (2 episodes)

Candy (2 episodes)

Officer (3 episodes)

Captain (1 episode)

Boston Anchor (2 episodes)

Alan (1 episode)

TV Reporter (1 episode)

Marine Officer (4 episodes)

Sally (4 episodes)

Jimmy Wendall (4 episodes)

Curtis Carruthers (4 episodes)

Millicent Griffith (3 episodes)

Jack Reese (3 episodes)

June Wheeler (3 episodes)

Senator Tripplehorn (3 episodes)

Mark Gottfried (3 episodes)

Alana Waterman (3 episodes)

Mike Wayne (3 episodes)

Charles Frost (3 episodes)

Douglas Wegland (3 episodes)

Agent Madsen (3 episodes)

Vic Faison (3 episodes)

Cassie Tatum (3 episodes)

Joe Quincy (3 episodes)

Mark Richardson (3 episodes)

Mr. Loch (2 episodes)

Georgia Congressman (1 episode)

Lauren Chin (3 episodes)

Butler (3 episodes)

Shira Galit (3 episodes)

Lauren Romano (3 episodes)

Stevie (2 episodes)

Cal Mathis (1 episode)

Lauren Shelby (3 episodes)

Stacy (3 episodes)

Colin Ayres (3 episodes)

Darren Gibson (3 episodes)

Dr. Mike Gordon (3 episodes)

Taylor Reid (3 episodes)

Ben Dryer (3 episodes)

Peter Santos (3 episodes)

Floor Manager (3 episodes)

Miranda Santos (3 episodes)

Congressman Skinner (3 episodes)

Secret Service (3 episodes)

Mitch (2 episodes)

Officer (1 episode)

Reporter (2 episodes)

Bruce (1 episode)

USS Officer Mike (2 episodes)

Agent (1 episode)

Secret Service (2 episodes)

Agent (1 episode)

Bobby (2 episodes)

Civilian Advisor (1 episode)

Aide (1 episode)

Paramedic (1 episode)

Staffer (1 episode)

White House Correspondent (1 episode)

Reporter (1 episode)

Commentator (1 episode)

Agent (3 episodes)

Senator's Aide (2 episodes)

V.P. Assistant (1 episode)

Secret Service Agent (3 episodes)

Abbey's Aide (2 episodes)

Carrie (1 episode)

Reporter Sandy (2 episodes)

Newscaster (1 episode)

Staffer (2 episodes)

Assistant (1 episode)

Staffer (3 episodes)

Aide (2 episodes)

Staffer (1 episode)

Officer (1 episode)

Bowman (1 episode)

Military Aide (1 episode)

Sheila Fields (3 episodes)

Colonel Leahy (3 episodes)

Saeb Mukarat (3 episodes)

Anchor (2 episodes)

Reporter (1 episode)

Congresswoman Gleeson (3 episodes)

Agent Ellis Taylor (3 episodes)

Reporter (3 episodes)

Chinese Ambassador (2 episodes)

Roberto Mendoza (2 episodes)

Alexander Thompson (2 episodes)

Albie Duncan (2 episodes)

Gov. Robert Ritchie (2 episodes)

Steve Atwood (2 episodes)

Mark B. Sellner (2 episodes)

Claypool (2 episodes)

Suzanne (2 episodes)

Max Lobell (2 episodes)

Mary Marsh (2 episodes)

Al Caldwell (2 episodes)

Al Kiefer (2 episodes)

Steve Onorato (2 episodes)

Colonel Chase (2 episodes)

Mickey Troop (2 episodes)

Lester (2 episodes)

Ken Shannon (2 episodes)

Henry Shallick (2 episodes)

Howard Stackhouse (2 episodes)

Officer Jack Sloan (2 episodes)

Congressman Harry Wade (2 episodes)

Steve Hodder (2 episodes)

Chinese Ambassador Ling-Po (2 episodes)

SitRoom Civilian Advisor David (2 episodes)

Mitch Bryce (2 episodes)

Lewis Berryhill (2 episodes)

Tyler (2 episodes)

Agent Wesley (2 episodes)

Vermont Congresswoman (1 episode)

Senator (1 episode)

Newscaster (1 episode)

Reporter (1 episode)

Palestinian Chairman Nizar Farad (2 episodes)

Dylan Clark (2 episodes)

Bernard Thatch (2 episodes)

Gail Addison (2 episodes)

Roger Tribbey (2 episodes)

Civilian Advisor (2 episodes)

Senator Matt Hunt (2 episodes)

Ms. Chakrabarty (2 episodes)

SitRoom Civilian Advisor (2 episodes)

Marla Worisky (2 episodes)

Reporter (2 episodes)

Reporter (2 episodes)

Alan Adamle (2 episodes)

Manny (2 episodes)

Roy Ashland (2 episodes)

Trevor (2 episodes)

Lisa Wolfe (2 episodes)

Jack Sosa (2 episodes)

Jaworski (2 episodes)

Congressman Auren (2 episodes)

Agent (2 episodes)

Mr. Gage (2 episodes)

Reporter (2 episodes)

Sean (2 episodes)

Jerry (1 episode)

Alcoholic Politician (1 episode)

Officer (2 episodes)

Officer (2 episodes)

Joseph Bruno (2 episodes)

Woman (2 episodes)

Congressional Committee Chair (1 episode)

Shelly Lukens (1 episode)

Reporter (2 episodes)

Mr. Cameron (2 episodes)

Dr. Holbrook (2 episodes)

Reporter (2 episodes)

Sidney (1 episode)

Officer (1 episode)

Patty (1 episode)

Staffer (1 episode)

Staffer (1 episode)

Steve (1 episode)

Newscaster (1 episode)

TV Announcer (1 episode)

Senator Thomas (2 episodes)

Congressman (1 episode)

Calhoun (1 episode)

Billy (1 episode)

Steward (1 episode)

Newscaster (1 episode)

TV Reporter (1 episode)

Zach (2 episodes)

Staffer (2 episodes)

Bob (1 episode)

Bob Engler, U.S. Space Command (1 episode)

Hayes (1 episode)

Cardinal (1 episode)

Sally (2 episodes)

Reporter (2 episodes)

Sous Chef Beano (1 episode)

Bailiff (1 episode)

Industry Leader (1 episode)

Admiral, Navy Chief of Staff (1 episode)

Woman (1 episode)

Betty (1 episode)

Secret Service Agent (2 episodes)

Harry (2 episodes)

GOP Leader (1 episode)

Man (1 episode)

Matt Kelley (2 episodes)

Dr. Lee (1 episode)

Yahlin (1 episode)

Bartender Tammy (2 episodes)

Civilian (1 episode)

Director (1 episode)

Reporter Jo (2 episodes)

Aide (1 episode)

Sharon (1 episode)

Moderator (1 episode)

Intelligence Officer (1 episode)

Martin Avery (1 episode)

Chet (1 episode)

Ted Willard (1 episode)

Reporter (1 episode)

Presidential Reporter (2 episodes)

Aide (1 episode)

Civilian (1 episode)

Newscaster (1 episode)

Anchor (1 episode)

Taylor (1 episode)

Officer (1 episode)

Nat (2 episodes)

Jamie Reed (2 episodes)

Randy Weathers (2 episodes)

Agent Banks (2 episodes)

Michelle (1 episode)

ATF Anchor (1 episode)

Hoynes' Assistant (1 episode)

Claire Huddle (1 episode)

Diane Mathers (2 episodes)

OMB Director (2 episodes)

Commentator (1 episode)

Reporter (1 episode)

Cable News Pundit (2 episodes)

Floor Manager (2 episodes)

George Arnold (2 episodes)

Network Host (1 episode)

Anchor (1 episode)

Agent Velasquez (2 episodes)

Agent Moody (2 episodes)

Gail Fitzwallace (2 episodes)

Jim (1 episode)

White House Photographer (1 episode)

Israeli Defense Minister Doran Mazar (2 episodes)

Maya Zahavy (2 episodes)

Congressman Lackey (2 episodes)

Dave (2 episodes)

Edwin Kelwick (2 episodes)

Santos Volunteer (2 episodes)

Younger Congresswoman (1 episode)

Congresswomen Haas (1 episode)

Reporter (2 episodes)

Reporter (1 episode)

Walter (1 episode)

Reporter Kevin (2 episodes)

Vinick Reporter (2 episodes)

Ellen Trayers - Boston Globe (2 episodes)

Ted Zukoski - Chicago Tribune (2 episodes)

Reporter (2 episodes)

Anchor (2 episodes)

Teddy (2 episodes)

Anchor (2 episodes)

Curtis Shaeffer (2 episodes)

Receptionist (2 episodes)

Narrator (voice) (1 episode)

Sgt. McNamara (1 episode)

Father Thomas Cavanaugh (1 episode)

Qumari U.N. Ambassador Ali Nissir (1 episode)

Pakistani ambassador (1 episode)

Deborah O'Leary (1 episode)

Joe (1 episode)

Carl (1 episode)

David Nessler (1 episode)

Senator Sam Wilkinson (1 episode)

Indian ambassador (1 episode)

Girl (1 episode)

Sally (1 episode)

Shapiro (1 episode)

Ted Marcus (1 episode)

Miss World (1 episode)

Don Butler (1 episode)

Jack Lone Feather (1 episode)

Maggie Morningstar Charles (1 episode)

Alberto Fedrigotti (1 episode)

Bernice Collette, OMB (1 episode)

Russell Angler (1 episode)

Blair Spoonhour (1 episode)

Ralph Gish (1 episode)

President D. Wire Newman (1 episode)

Dr. Max Milkman (1 episode)

Libby Lassiter (1 episode)

Prince Bitar (1 episode)

MaryLou Meriwether (1 episode)

Lionel Tribbey (1 episode)

Josephine McGarry (1 episode)

John LaSalle (1 episode)

Meeshel Anders (1 episode)

Dr. Whitaker (1 episode)

Keb' Mo' (1 episode)

Franklin Hollis (1 episode)

Campaign Committee Rep. (1 episode)

Fred (1 episode)

Herb (1 episode)

Jim (1 episode)

Officer (1 episode)

Congressman Marino (1 episode)

Girl in Bar (1 episode)

Janice Trumbull (1 episode)

Economist #1 (1 episode)

Bill (1 episode)

Lloyd Russell (1 episode)

Leela (1 episode)

Christopher Wick (1 episode)

Katzenmoyer (1 episode)

Jenny McGarry (1 episode)

D.C. Police Officer (1 episode)

George Huffnagle (1 episode)

Simon Blye (1 episode)

Karen Larson (1 episode)

Congressman Fields (1 episode)

Daisy (1 episode)

Morris Tolliver (1 episode)

Jerry (1 episode)

Stanley (1 episode)

Mr. Grant (1 episode)

Loomis (1 episode)

Joe Willis (1 episode)

Congressman Gladman (1 episode)

Carl Everett (1 episode)

Bobby Russo (1 episode)

Seymour Little (1 episode)

Chafey (1 episode)

Judge Peyton Cabot Harrison III (1 episode)

Justice Joseph Crouch (1 episode)

Congressman Peter Lillienfield (1 episode)

Homeless Man (1 episode)

Rabbi Glassman (1 episode)

Bobby Zane (1 episode)

Jay Leno (1 episode)

David Hasselhoff (1 episode)

Janine (1 episode)

Ken Cochran (1 episode)

Ted Mitchell (1 episode)

Barry Haskell (1 episode)

Maid (1 episode)

Billy (1 episode)

Mark Miller (1 episode)

Veronica Webb (1 episode)

Becky Reeseman (1 episode)

Congressman (1 episode)

Jeffrey Morgan (1 episode)

Lilli Mays (1 episode)

Melissa (1 episode)

Stacy (1 episode)

Gene - Santos Transition Team (1 episode)

Jeff Breckenridge (1 episode)

Senate Majority Leader (1 episode)

Senate Aide (1 episode)

Ken (1 episode)

Blakely (1 episode)

Major Thompson (1 episode)

Major Tate (1 episode)

Mike Satchel (1 episode)

Isabel (1 episode)

Roger Becker (1 episode)

Tom Jordan (1 episode)

Dr. Jenna Jacobs (1 episode)

Andrew Mackintosh (1 episode)

Sarah Jordan (1 episode)

Harriet (1 episode)

Alan Damson (1 episode)

Bill Kelley (1 episode)

President Nimbala (1 episode)

Bruce (1 episode)

Pharmaceutical Executive (1 episode)

Bob Fowler (1 episode)

Senator's Aide (1 episode)

Senator Tony Marino (1 episode)

Senator's Aide (1 episode)

Jack Reese (1 episode)

Tad Whitney (1 episode)

Nadia Kozlowski (1 episode)

President's Translator (1 episode)

Labor Lawyer (1 episode)

Morgan Ross (1 episode)

Lenny (1 episode)

Corey Sykes (1 episode)

Seth Gillette (1 episode)

Officer Rhonda Sachs (1 episode)

Dr. John Fallow (1 episode)

Yo-Yo Ma (1 episode)

Stephanie Gault (1 episode)

Staffer (1 episode)

Winifred Hooper (1 episode)

Mr. Blake (1 episode)

Jon Bon Jovi (1 episode)

Jamie Hotchkiss (1 episode)

Cal (1 episode)

Lt. Emily Lowenbrau (1 episode)

Staffer (1 episode)

Jane Gentry (1 episode)

Martin Connelly (1 episode)

Richard Will (1 episode)

Senator Andy Ritter (1 episode)

Senator Rossiter (1 episode)

Senator Warren (1 episode)

Paul Hackett (1 episode)

Writer (16 episodes)

Bill Wakefield (1 episode)

Young Mrs. Dolores Landingham (1 episode)

Harry Ravitch (1 episode)

Reporter (1 episode)

Dan (1 episode)

Paulson (1 episode)

Victor Campos (1 episode)

Clement Rollins (1 episode)

Kimball (1 episode)

Jack Buckland (1 episode)

'No' Vote Man (1 episode)

'No' Vote Man (1 episode)

Nurse (1 episode)

Dr. Wellman (1 episode)

Interior Secretary (1 episode)

George Rohr - American Christian Assembly (1 episode)

Chris Matthews (1 episode)

Becca - Women's Alliance for Choice (1 episode)

Franz - German Ambassador (1 episode)

Steve Laussen (1 episode)

Mr. Koveleskie (1 episode)

Sherri Wexler (1 episode)

Donald Dolan (1 episode)

Congressman (1 episode)

Reporter (1 episode)

Cathy (1 episode)

Heidi Choat (1 episode)

Marion Cotesworth-Haye (1 episode)

Burt Ganz (1 episode)

Senator Dresden (1 episode)

Forrest Sawyer (1 episode)

Senator George Montgomery (1 episode)

Will Sawyer (1 episode)

Tawny Cryer (1 episode)

Ronald Cruikshank (1 episode)

Barney Lang (1 episode)

Evan Woodkirk (1 episode)

Tom Starks (1 episode)

Mary Klein (1 episode)

CEO Donor (1 episode)

NH Marketing Guy (1 episode)

Paul Dearborn (1 episode)

Rathburn (1 episode)

Algiss Skyler (1 episode)

Lisa Shureborn (1 episode)

John Tandy (1 episode)

Oncologist #1 (1 episode)

Leonard Wallace (1 episode)

Celia Walton (1 episode)

Dalton Millgate (1 episode)

Jack Enlow (1 episode)

Bud Wachtell (1 episode)

Leslie (1 episode)

Tabatha Fortis (1 episode)

Alan Tatum (1 episode)

Jake Kimball (1 episode)

State Dept. Representative (1 episode)

Nikolai Ivanovich (1 episode)

Richard III (1 episode)

OMB Aide (1 episode)

Jessie Weiskopf (1 episode)

Tom Landis (1 episode)

Congressman Simmel (1 episode)

Congressman Segal (1 episode)

Jai Yung Ahn (1 episode)

Theo (1 episode)

Chris Carrick (1 episode)

Laura (1 episode)

Louis Slater (1 episode)

Governor Wade (1 episode)

Daniel Rubin (1 episode)

Nate Singer (1 episode)

C.J.'s Aide (1 episode)

Donald (1 episode)

Bret (1 episode)

Congresswoman (1 episode)

Ed Merridy (1 episode)

Terry Anders (1 episode)

James Taylor (1 episode)

Kiki (1 episode)

Sy (1 episode)

Civilian (1 episode)

Earl (1 episode)

Mrs. Harrison (1 episode)

Colonel Whitcomb (1 episode)

Bernie (1 episode)

Julie (1 episode)

Gail Mackee (1 episode)

Ambassador von Rutte (1 episode)

Donald Richter (1 episode)

Alan Fisk (1 episode)

Agent Len (1 episode)

Steve Gaines (1 episode)

Sarah Brainerd (1 episode)

Roy Turner (1 episode)

Grey Polk (1 episode)

Carlos Carrio (1 episode)

Paul Tyminski (1 episode)

Terrance Sligh (1 episode)

Richard Squire (1 episode)

Suzanne Hoynes (1 episode)