All 124 actors in both Boston Legal and The West Wing
124 actors have appeared in both Boston Legal and The West Wing, across 255 episodes. The most-credited is Christian Clemenson, Jerry "Hands" Espenson in Boston Legal and Evan Woodkirk in The West Wing.
| Actor | In Boston Legal | In The West Wing | Eps | Eps |
|---|---|---|---|---|
| Christian Clemenson | Jerry "Hands" Espenson | Evan Woodkirk | 17 | 1 |
| Ron Canada | Judge Willard Reese | Theodore Barrow | 8 | 10 |
| Roma Maffia | Judge Victoria Peyton | Officer Rhonda Sachs | 9 | 1 |
| Steve Ryan | Special Agent Kevin Drummond | Secretary of Defense Miles Hutchinson | 1 | 16 |
| Thomas Kopache | Judge Dale Wallace | Bob Slatterly | 2 | 14 |
| Adam Arkin | Assistant D.A. Douglas Kupfer | Dr. Stanley Keyworth | 3 | 4 |
| Lou Beatty, Jr. | Judge Gordon Kolodny | Wilson Burke | 6 | 1 |
| Michael O'Neill | Dr. Robert McLean | Secret Service Agent Ron Butterfield | 1 | 14 |
| Mark L. Taylor | Adam Jovanka | Steve Rorsche | 7 | 1 |
| Steven Culp | Assistant D.A. Norman Wilson | Speaker of the House Jeff Haffley | 1 | 9 |
| Gregory Alan Williams | John Zenawi | Robbie Mosley | 1 | 8 |
| H. Richard Greene | Judge Harry Hingham | Robert Royce | 3 | 6 |
| William Russ | Assistant D.A. Christopher Palmer | Dan | 5 | 1 |
| Stephen Root | Ethan Melman | Bob Mayer | 1 | 9 |
| Steven Anderson | Partner Walter Seymore | Daniel Rubin | 4 | 1 |
| Andy Umberger | Attorney Morrison | Cal Mathis | 4 | 2 |
| Don McManus | Assistant D.A. John Lennox | Greg Summerhays | 5 | 1 |
| Steven Eckholdt | Assistant D.A. Richard Kelton | Doug Westin | 1 | 5 |
| Ryan Cutrona | Congressman Raymond Jacobs | CIA Director George Rollie | 1 | 6 |
| Victor McCay | Dr. Malcolm Freemont | Henry | 2 | 5 |
| Armin Shimerman | Judge Brian Hooper | Richard III | 7 | 1 |
| Ed Begley Jr. | Professor Clifford Cabot | Seth Gillette | 3 | 1 |
| Jim Jansen | Partner Marshall Kennedy | Bill Fisher | 3 | 1 |
| Pat Skipper | Michael Roker | Senator Jimmy Hoebuck | 3 | 1 |
| Randy Thompson | Officer Carl Ralston | CEO | 3 | 1 |
| John Aylward | Tom Orchard | Barry Goodwin | 1 | 6 |
| Corbin Bernsen | Eli Granger | Henry Shallick | 1 | 2 |
| David Clennon | Braxton Mason | Vinick's Attorney | 2 | 1 |
| Dennis Cockrum | James Jacobs | Military Officer | 2 | 3 |
| Kurt Fuller | Reverend Donald Diddum | SitRoom Civilian Advisor | 3 | 2 |
| Matt Letscher | Assistant D.A. Adam Mercel | U.S. Attorney | 1 | 1 |
| Rocky Carroll | Assistant D.A. John Shubert | Corey Sykes | 1 | 1 |
| Thom Gossom, Jr. | Judge Blake Winters | Ted Mitchell | 3 | 1 |
| Allan Wasserman | Assistant D.A. Oliver Goldberg | Donald McKittridge | 2 | 1 |
| Mark Moses | Assistant D.A. George McDougal | Donald Richter | 2 | 1 |
| Richard Fancy | Father Michael Ryan | Congressman | 2 | 1 |
| Richard Riehle | Dr. Barry Glouberman | Officer Jack Sloan | 1 | 2 |
| Richard V. Licata | Judge Dale Melman | Congressman Lackey | 4 | 2 |
| Amy Aquino | Judge Phyllis Tamber | Becky Reeseman | 1 | 1 |
| Brian Kerwin | Jack Fleming | Ben Dryer | 1 | 3 |
| John Kapelos | Detective Wayne Farley | Seymour Little | 1 | 1 |
| Ken Howard | Judge Walter Yardley | Judge Peyton Cabot Harrison III | 1 | 1 |
| Lee Garlington | Alisa McKenzie | Alana Waterman | 1 | 3 |
| Ming Lo | Hyung Lee, Dr. Lee Chang | Yahlin | 3 | 1 |
| Patrick Breen | Assistant D.A. Otto Beedle | Kevin Kahn | 3 | 1 |
| Richard McGonagle | Assistant Attorney General Norman Wood | Senator Warren | 1 | 1 |
| Lawrence Pressman | Judge Floyd Hurwitz | Ken Cochran | 2 | 1 |
| Michael Mantell | Mayor Thomas Steinbrenner | Shelly Lukens | 1 | 2 |
| J. Patrick McCormack | Judge Sean O'Byrne | General Jimmy Wendall | 1 | 4 |
| Aaron Lustig | Dr. Herbert Waylon, Wolfgang Blitzkrieg | Jerry Graham | 2 | 1 |
| Dakin Matthews | Judge Harvey Fletcher | Simon Blye | 1 | 1 |
| George Wyner | Al Bostick | Congressman Simmel | 1 | 1 |
| Megan Ward | Susan May | Jane | 1 | 1 |
| Mitch Pileggi | U.S. Attorney Mark Freestone | Senator Dresden | 1 | 1 |
| Paul Collins | Lance Buttram | Senator Sam Wilkinson | 1 | 1 |
| Randy Oglesby | Walter Edmunds | Alcoholic Politician | 1 | 1 |
| Scott Michael Campbell | Neil Cox | Donald Dolan | 1 | 1 |
| Dean Norris | Byron Kaneb | Steve Hodder | 1 | 2 |
| Philip Baker Hall | Ernie Dell | Senator Matt Hunt | 1 | 2 |
| David Doty | Judge Ephraim Woods | Military Officer | 1 | 1 |
| David Kaufman | Dr. Sam Karp | Bob Fowler | 1 | 1 |
| James Eckhouse | Dr. Adam Carter | Rep. Bud Wachtell | 1 | 1 |
| Merrin Dungey | Sandy Zionts | Daisy Reese | 1 | 1 |
| Michael Bofshever | Charles Costello | Kagan | 1 | 1 |
| Nick Searcy | Harry Beckam | Nate Singer | 1 | 1 |
| P.J. Byrne | Matthew Steinkellner | David Orbitz | 1 | 1 |
| Paul Schulze | Major Schoenewics | Terrance Sligh | 1 | 1 |
| Sam Anderson | Walter Fife | John LaSalle | 1 | 1 |
| Scott Allan Campbell | Detective Scott Reynolds | Grey Polk | 1 | 1 |
| Xander Berkeley | Assistant D.A. Rex Swarthmore | Franklin Hollis | 1 | 1 |
| Gregory Itzin | Assistant D.A. Todd Milken | State Department Representative | 2 | 1 |
| Bruce Gray | Dr. Earl Roberts | Otis | 1 | 1 |
| Christopher Neiman | Mr. Prig | Staffer | 1 | 1 |
| Daniel Roebuck | Russell Blayney | Lieutenant Buckley | 1 | 1 |
| David Brisbin | Derek Ross | Ken | 1 | 1 |
| Holmes Osborne | Mayor George Bostwick | Congressman Peter Lillienfield | 1 | 1 |
| Matt Malloy | Donald Wharton | Herb | 1 | 1 |
| Vyto Ruginis | Captain Larry McDonald | Mitch | 1 | 1 |
| Wayne Wilderson | Paul Phillips | Senator's Aide | 1 | 1 |
| Audrey Wasilewski | Traci Carpenter | Janice Trumbull | 1 | 1 |
| Bob Morrisey | Dr. Joshua Forbes | Harry Conroy | 1 | 1 |
| Carlos Gómez | Ernesto Herrera | Admiral McGill | 1 | 1 |
| Christina Chang | Elizabeth Tyler | Alex Moreau | 1 | 1 |
| Dey Young | Sarah Berman | Congresswoman | 1 | 1 |
| Eric Lange | George Parkes | Paul Tyminski | 1 | 1 |
| Gregg Daniel | Dr. Jason Marcini | Steve Adamley | 1 | 1 |
| James Keane | Joe Gordon | Registrar | 1 | 1 |
| John Short | Dr. Raymond Young | Riley Sheets | 1 | 1 |
| Kenneth Kimmins | Dr. Tusten | General Stanley | 1 | 1 |
| Leon Russom | Colonel George Hegarty | Network President | 1 | 1 |
| Maree Cheatham | Georgina Babineaux | Governor Wade | 1 | 1 |
| Michael Chieffo | Dr. Saul Robbins | Head of FEMA | 1 | 1 |
| Robert Clotworthy | Zachary West | Tom | 1 | 1 |
| Stephen Lee | Aaron Sears | Registered Voter | 1 | 1 |
| Stephen Tobolowsky | Dr. Alvin Azinabinacroft | Dr. Max Milkman | 1 | 1 |
| Valerie Mahaffey | Mary Winston | Tawny Cryer | 1 | 1 |
| Art Chudabala | Peter Clark | Peter Lien | 1 | 1 |
| Bellamy Young | Cynthia Nichols | MaryLou Meriwether | 1 | 1 |
| Clyde Kusatsu | Judge Mike Matsumura | Joe | 1 | 1 |
| Daniel Hugh Kelly | William Brewster | James Cook | 1 | 1 |
| Gerry Becker | Mr. Faber | Network President | 1 | 1 |
| Gibby Brand | Dr. Leonard Raskin | Adam Kent | 1 | 1 |
| Juan Garcia | Detective Perry Vale | Rick Pintero | 1 | 1 |
| Lauren Stamile | Audrey Pugliese | Layla Cham | 1 | 1 |
| Linda Gehringer | Lee Tyler | Jennifer Lydell | 1 | 1 |
| Paul Perri | Ronald Emmerich | Steve Joyce | 1 | 1 |
| Peter MacKenzie | Reid Harrington | George Rohr | 1 | 1 |
| Scott Klace | Dr. Mitchell Levinson | Democratic Congressional Campaign Committee Rep. | 1 | 1 |
| Scott MacDonald | Officer Michael Minden | Cyrus Yolander | 1 | 1 |
| Shannon O'Hurley | Phyllis Deaver | Susan Wertz | 1 | 1 |
| Victor Raider-Wexler | Dr. Bender | Bernie | 1 | 1 |
| Wolf Muser | Linwood Winchell | Ambassador Von Rutte | 1 | 1 |
| David Barrera | Officer Joe Garrett | Jorge Santos | 1 | 1 |
| Michael Bryan French | Alex Naughton | Hospital Administrator | 1 | 1 |
| Robert Foxworth | Judge Simon Devon | Senator George Montgomery | 1 | 1 |
| Austin Tichenor | Marshall Stepcoe | Raymond Burns | 1 | 1 |
| Bruce French | Dr. Ned Thiel | Bill Stark | 1 | 1 |
| Ken Lerner | Howard Bridge | Congressman Marino | 1 | 1 |
| Michael Leydon Campbell | Michael Foster | Max | 1 | 1 |
| Todd Waring | Daniel Ralston | Rep. Rathburn | 1 | 1 |
| Barbara Eve Harris | Principal Holliston | Gretchen Tyler | 1 | 1 |
| Michael Holden | Rabbi Saul Levine | Network President | 1 | 1 |
| Jim Ortlieb | Dr. George Murrow | Dr. Keller | 1 | 1 |
| Shawn Michael Patrick | Dr. Kodash | Gene | 1 | 1 |
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Cast data from TVmaze, licensed CC BY-SA 4.0.