All 74 actors in both Boston Legal and Will & Grace
74 actors have appeared in both Boston Legal and Will & Grace, across 347 episodes. The most-credited is Leigh-Allyn Baker, Frannie Huber in Boston Legal and Ellen in Will & Grace.
| Actor | In Boston Legal | In Will & Grace | Eps | Eps |
|---|---|---|---|---|
| Leigh-Allyn Baker | Frannie Huber | Ellen | 1 | 21 |
| Leslie Jordan | Bernard Ferrion | Beverley Leslie | 6 | 16 |
| Marshall Manesh | George Keene | Mr. Zamir | 2 | 7 |
| Livia Treviño | Foreperson | Mrs. Timmer | 1 | 5 |
| Parker Posey | Marlene Stanger | Dorleen | 4 | 2 |
| Jane Lynch | Joanna Monroe | Roberta | 4 | 1 |
| Matt Letscher | Assistant D.A. Adam Mercel | James Wise | 1 | 3 |
| Ivar Brogger | Professor Matthew Tyler | Mr. Hutt | 1 | 1 |
| Patrick Breen | Assistant D.A. Otto Beedle | Mitchell | 3 | 1 |
| Todd Stashwick | Matthew Calder | Gabe Robinson | 1 | 1 |
| Veronica Cartwright | Judge Peggy Zeder | Judith McFarland | 1 | 1 |
| Andy Umberger | Attorney Morrison | Captain | 4 | 1 |
| Debra Mooney | Judge Patrice Webb | Sister Robert | 4 | 1 |
| John O'Brien | Clerk #2 | Man, Salesperson | 1 | 2 |
| Tom Verica | U.S. Attorney Carl Newell | Danny | 1 | 2 |
| Yvette Nicole Brown | Doris Thumper | Ru | 2 | 1 |
| Brian Howe | Martin Monroe | Ken | 1 | 1 |
| Karl T. Wright | Assistant D.A. George Martin, Doyle Chernack | Wayne | 2 | 1 |
| Ken Lerner | Howard Bridge | Bob | 1 | 1 |
| Lee Garlington | Alisa McKenzie | Annette | 1 | 2 |
| Mary Beth McDonough | Janice Warner | Mom | 1 | 2 |
| Matt Williamson | Sean Harmon | Gene, Salesman | 1 | 2 |
| Patricia Belcher | Judge Leslie Bishop | Ellie | 3 | 1 |
| Patrick Fabian | Stanley Gould | Alan | 1 | 1 |
| Shawn Christian | Tim Bauer | Travis | 3 | 1 |
| Steve Hasley | Foreman | Carlo, Clerk | 1 | 2 |
| Steven Shaw | Foreman | Judge | 1 | 1 |
| Walter Addison | Justice Anthony Kennedy | D.T. Petersen | 2 | 1 |
| Aaron Lustig | Dr. Herbert Waylon, Wolfgang Blitzkrieg | Marv Buhl | 2 | 1 |
| Jere Burns | Joe Issacs | Man In Cast | 2 | 1 |
| Raymond Ma | Zhu Chang | Rufus Huang | 2 | 1 |
| Steve Valentine | Dan Rice | Kai | 2 | 1 |
| Bob Rumnock | Foreman | Salesman | 1 | 1 |
| Bruno Campos | Assistant D.A. Mark Wills | Anton | 1 | 1 |
| Hallee Hirsh | Michelle Cabot-Levinson | Olivia Walker | 1 | 1 |
| Jennifer Aspen | Maureen Fleming | Sarah | 1 | 1 |
| Joe Ochman | Minister | Chuck | 1 | 1 |
| Kali Rocha | Allison Lovejoy | Stephanie | 1 | 1 |
| Kathleen Wilhoite | Sophia Wilson | Sally | 1 | 1 |
| Marianne Muellerleile | Evelyn | Jodie | 1 | 1 |
| Helen Eigenberg | Attorney Tompkins | Vicky | 2 | 1 |
| Matthew McCray | Man | Gasping Gay Guy, Jasper | 1 | 2 |
| Robert Costanzo | Wayne Picker | Paul | 1 | 2 |
| Bernadette Peters | Judge Marianna Folger | Virginia | 1 | 1 |
| Butch Klein | Ray | Male Guest | 1 | 1 |
| Christine Ebersole | Sunny Fields | Candace Pruitt | 1 | 1 |
| Fiona Hale | Mrs. Ferrion | Ruth | 1 | 1 |
| Hannah Leigh Dworkin | Marissa Deaver | Ruby | 1 | 1 |
| Jim Ortlieb | Dr. George Murrow | Ira | 1 | 1 |
| Lyn Alicia Henderson | Technician | Nurse | 1 | 1 |
| Marcy Goldman | Foreperson | Judy | 1 | 1 |
| Nicole Sullivan | Joan Zieter | Ruth | 1 | 1 |
| Peter MacKenzie | Reid Harrington | Mean Guy | 1 | 1 |
| Stephen Tobolowsky | Dr. Alvin Azinabinacroft | Ned Weathers | 1 | 1 |
| Steve Ryan | Special Agent Kevin Drummond | Lieutenant | 1 | 1 |
| Wayne Wilderson | Paul Phillips | Ellis Palmer-Payne | 1 | 1 |
| Bob Morrisey | Dr. Joshua Forbes | Man #2 | 1 | 1 |
| Charles Emmett | Detective Smiley | Luke | 1 | 1 |
| Cheryl White | Mary Stevens | Cheryl Bricker-Fossberg | 1 | 1 |
| David Doty | Judge Ephraim Woods | Harry | 1 | 1 |
| Gerald Downey | Joel Kohn | Student Nurse Clark | 1 | 1 |
| Gregor Manns | Tenant #4 | Customer | 1 | 1 |
| Joyce Guy | Riva Boitelle | Lynette | 1 | 1 |
| Julie Pop | Laurie Berger | Pat | 1 | 1 |
| Lainie Kazan | Judge Paula Stern | Aunt Honey | 1 | 1 |
| Mary Ostrow | Nancy Holt | Woman | 1 | 1 |
| Victoria Hoffman | Foreperson | Waitress | 1 | 1 |
| Will Radford | Miles Tippet | Henry | 1 | 1 |
| Bob Rusch | John | Drunk Man | 1 | 1 |
| Kevin Cooney | Partner Smith | Justice Of The Peace | 1 | 1 |
| Matt Champagne | Bob Mathias | Don | 1 | 1 |
| Ralph Drischell | Foreman | Mr. Munitz | 1 | 1 |
| Stacy Galina | Jody Young | Debbie | 1 | 1 |
| Tony Pasqualini | U.S. Attorney Joyner | Man | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.