All 197 actors in both Boston Legal and The Practice
197 actors have appeared in both Boston Legal and The Practice, across 268 episodes. The most-credited is Ray Abruzzo, John Sciarra in Boston Legal and Detective Michael McGuire in The Practice.
| Actor | In Boston Legal | In The Practice | Eps | Eps |
|---|---|---|---|---|
| Ray Abruzzo | John Sciarra | Detective Michael McGuire | 2 | 44 |
| Betty White | Catherine Piper | Catherine Piper | 16 | 3 |
| Christian Clemenson | Jerry "Hands" Espenson | Barry Wall | 17 | 1 |
| Frank Birney | Judge WIlliam Howe | Judge Warren West | 3 | 14 |
| René Auberjonois | Paul Lewiston | Judge F. Mantz | 15 | 2 |
| Richard McGonagle | Assistant Attorney General Norman Wood | Judge Patrick Wilcox | 1 | 16 |
| Anna Gunn | Susan Bixby | A.D.A. Jean Ward | 1 | 10 |
| Debra Mooney | Judge Patrice Webb | Judge P. Spindle | 4 | 7 |
| Currie Graham | Assistant D.A. Frank Ginsberg | Sheldon Modry | 9 | 1 |
| Paul Dooley | Judge Wendel Donahue | Judge Philip Swackheim | 1 | 8 |
| Gibby Brand | Dr. Leonard Raskin | Judge William McGough | 1 | 5 |
| Anthony Heald | Judge Harvey Cooper | Judge Wallace Cooper, Scott Guber | 8 | 3 |
| Dakin Matthews | Judge Harvey Fletcher | Judge William Aldrich, Judge Courtney Lander | 1 | 4 |
| Lake Bell | Sally Heep | Sally Heep | 2 | 3 |
| Mark L. Taylor | Adam Jovanka | Dr. Reichal, Judge Andrew MacDonald, Wiggins' Psychiatrist | 7 | 3 |
| Armin Shimerman | Judge Brian Hooper | Judge Garth Moskin | 7 | 2 |
| John Thaddeus | Detective John Stephenson | Denny Staples, Security Officer | 6 | 2 |
| Steven Eckholdt | Assistant D.A. Richard Kelton | A.D.A. Chris Kelton | 1 | 3 |
| Denis Arndt | Assistant D.A. Joshua Wendt | ADA Roland Hill, A.A.G. Quentin Reynolds, Defense Attorney Robertson | 1 | 6 |
| Steven Anderson | Partner Walter Seymore | Dr. Emerick, Dr. Barry Jacob | 4 | 3 |
| Bill Smitrovich | D.A. Jack Fitzhugh | A.D.A. Kenneth Walsh | 1 | 5 |
| Ryan Cutrona | Congressman Raymond Jacobs | Dr. Patrick Fine, FBI Coroner George Wall | 1 | 5 |
| Philip Baker Hall | Ernie Dell | Judge Joseph Vinocour | 1 | 4 |
| Thomas Kopache | Judge Dale Wallace | Dr. Harold Manning, Judge Morris Seymour, Mr. Schramm | 2 | 3 |
| Gregory Itzin | Assistant D.A. Todd Milken | Attorney Mark Grundel, Attorney Walter Pyne, D.A. Michael Stanfield | 2 | 5 |
| Austin Tichenor | Marshall Stepcoe | A.D.A. Kenneth Tisbury | 1 | 5 |
| Chi McBride | Steven Harper | Principal Steven Harper | 1 | 1 |
| David Starzyk | Daniel Gellman | EPA Attorney John Myers, Martin Adler | 2 | 4 |
| James Rebhorn | Wade Mathis | Attorney John Rapherson | 2 | 2 |
| Jim Jansen | Partner Marshall Kennedy | Attorney Richard Hart, Attorney Ryan Hall, Stephen Gould | 3 | 3 |
| Larry King | Larry King | Larry King | 1 | 1 |
| Michael Bofshever | Charles Costello | Joshua Berry, Walter Crewson | 1 | 3 |
| Tyrees Allen | Assistant Attorney General Doug Beecham | A.D.A. Mark Campbell, A.D.A. Curtis Simmons | 1 | 5 |
| William Atherton | Assistant D.A. Howard Zale | A.D.A. Keith Pratt | 1 | 3 |
| Andy Umberger | Attorney Morrison | A.D.A. Virgil Johnson | 4 | 1 |
| John Aylward | Tom Orchard | Federal Judge Kendall Marcott, Chief District Court Judge W. Frankle, Judge in Rydell Hearing | 1 | 4 |
| Bonnie Bartlett | Marguerite Hauser | Joanna Oz | 1 | 2 |
| Kevin Dunn | Jonathan Weiner | Bill Munce | 2 | 1 |
| Saul Rubinek | Donald Feldcamp | Attorney Arnold Hunter | 1 | 2 |
| Ed Begley Jr. | Professor Clifford Cabot | Dr. Emanuel Foster | 3 | 1 |
| H. Richard Greene | Judge Harry Hingham | Judge Paul Stewart | 3 | 1 |
| Howard Hesseman | Judge Robert Thompson | Judge C. Williams | 3 | 1 |
| Kurt Fuller | Reverend Donald Diddum | Attorney David Lawrence | 3 | 1 |
| Pat Skipper | Michael Roker | Officer Scott Guthrie | 3 | 1 |
| Randy Thompson | Officer Carl Ralston | William Finnerty | 3 | 1 |
| Tim Snay | Grant Kennard | Judge Alfred Weeks | 1 | 3 |
| Patricia Belcher | Judge Leslie Bishop | Candace Levy, Foreperson | 3 | 2 |
| Adam Arkin | Assistant D.A. Douglas Kupfer | Attorney Albert Ginsberg | 3 | 1 |
| Billy Mayo | Detective Sean Wilkins | Sgt. George Gilman | 2 | 1 |
| Cristine Rose | Meredith "Blinky" Waters | Bernice White | 1 | 2 |
| Jack Shearer | Justice Antonin Scalia, Night Court Judge | Mr. Johnson | 3 | 1 |
| James Eckhouse | Dr. Adam Carter | Attorney Anthony Selig | 1 | 1 |
| Lisa Kaminir | D.A. Valerie Murrow | Atty. Hanson | 3 | 1 |
| Michael O'Neill | Dr. Robert McLean | Judge Robert Temple | 1 | 1 |
| Paul Cassell | Dr. Frank Wessmer | Jay Hickman | 2 | 2 |
| Steven Culp | Assistant D.A. Norman Wilson | A.D.A. Emmanuel Kupcheck, Attorney Alldredge | 1 | 2 |
| Zach Grenier | U.S. Attorney Chris Randolph | Detective R. Larson | 2 | 2 |
| Ted Garcia | Reporter | Reporter #3 | 4 | 1 |
| Lawrence Pressman | Judge Floyd Hurwitz | Dr. Milton Leach, Russell Mathis | 2 | 2 |
| Laura Henry | Clerk | Foreperson | 6 | 1 |
| Allan Wasserman | Assistant D.A. Oliver Goldberg | James Keplar | 2 | 1 |
| Clyde Kusatsu | Judge Mike Matsumura | Judge Stephen Chin | 1 | 2 |
| Kelly Connell | John Hoberg | Dr. Noah Peters | 2 | 1 |
| Leon Russom | Colonel George Hegarty | Brian Kearns | 1 | 2 |
| Mark Moses | Assistant D.A. George McDougal | Henry Winslow | 2 | 1 |
| Tom Amandes | Assistant Attorney General Jeremy Hollis | Robert Wakefield | 2 | 1 |
| Vic Polizos | Detective Frank Richmond | Detective Wes Pegler | 4 | 1 |
| Adriana DeMeo | Julie | Suzy Paponi | 1 | 3 |
| Amy Aquino | Judge Phyllis Tamber | Judge Louise Moreno | 1 | 1 |
| Dan Martin | Detective Russell Roberts | Officer Tedesco | 1 | 1 |
| David Purdham | Judge William Connolly | Attorney Matthew Stone | 1 | 3 |
| Freda Foh Shen | Dr. Ann Kumi | Judge Amy Okubo | 1 | 1 |
| Jeremy Davidson | Peter Barrett | Dr. Robert Platt | 1 | 1 |
| John Kapelos | Detective Wayne Farley | Officer John Rydell | 1 | 1 |
| Michael C. Alexander | Officer Lawrence Michaels | Officer in Corridor | 3 | 1 |
| Ming Lo | Hyung Lee, Dr. Lee Chang | Doctor No. 1 | 3 | 1 |
| Nicole Bilderback | Secretary | Paralegal | 1 | 1 |
| Jim Lau | Chinese Businessman #4, Toque | Dr. Ming Hyang, Paul Ioki | 3 | 2 |
| John Sterling Carter | Male Attorney | Judge C. Mantle | 1 | 4 |
| Anne Betancourt | Judge Isabel Hernandez | Pilar Guzman | 2 | 1 |
| Christine Tucci | Assistant D.A. Mary Ann Huff | Susan Fennick | 2 | 1 |
| Lorna Raver | Judge Katherine Taylor | Pearson's Assistant | 2 | 1 |
| Michael Patrick McGill | Officer Brian Whistler | Officer Gailey | 2 | 1 |
| Robert Clotworthy | Zachary West | Coroner, Judge Tyler Flynn | 1 | 2 |
| Wendy Gazelle | Maureen Rhodes | Deborah Munce, Laura Redstone | 1 | 2 |
| Blair Bess | Detective, Hostage Negotiator | Jim Frawley | 2 | 2 |
| Bruce French | Dr. Ned Thiel | Attorney Barry Pederson, Attorney General Walgren, Judge M. Walters | 1 | 3 |
| Marc Vann | D.A. Scott Bodnar | Terry Glazer | 2 | 2 |
| Aaron Lustig | Dr. Herbert Waylon, Wolfgang Blitzkrieg | Attorney Michael King | 2 | 1 |
| Caroline Aaron | Phyllis Goulet | Delores Keplar | 1 | 1 |
| Colby French | Sergeant First Class Taylor Jessel | Richie Price | 1 | 1 |
| David Doty | Judge Ephraim Woods | Foreman, Judge Robert Bournes | 1 | 2 |
| George Wyner | Al Bostick | Rabbi Stewart Lewis | 1 | 1 |
| Helen Eigenberg | Attorney Tompkins | Dr. Cusack | 2 | 1 |
| Isabella Hofmann | Carolyn Joseph | Kate Littlefield | 1 | 2 |
| Jenny O'Hara | Judge Kimberly Ohlund | Louise Morgan | 1 | 1 |
| Joe Morton | Steve Duprey | U.S. Attorney | 1 | 1 |
| John Prosky | Walter Devlin | EPA Attorney Mitchell Kravits | 1 | 3 |
| Karl T. Wright | Assistant D.A. George Martin, Doyle Chernack | Andrew Burton | 2 | 1 |
| Ken Howard | Judge Walter Yardley | Attorney Raynsford Bradford, Senator Frank Patanki | 1 | 2 |
| Paul Collins | Lance Buttram | Attorney Hendrick Walton | 1 | 1 |
| Phil Abrams | Lou Schneider | Gary Strangis, Randy Peete | 1 | 2 |
| Ray Proscia | Paul Schwimmer | Walter Beck | 1 | 1 |
| Richard Riehle | Dr. Barry Glouberman | Mr. Holt | 1 | 1 |
| Scott MacDonald | Officer Michael Minden | Detective Disaia | 1 | 1 |
| Vyto Ruginis | Captain Larry McDonald | Jason Swoboda | 1 | 1 |
| Ivar Brogger | Professor Matthew Tyler | Kevin Stadler, John Blair | 1 | 3 |
| Dey Young | Sarah Berman | Elena Wharton | 1 | 2 |
| Paul Schackman | Pepper Minkin, Stu Himelfarb | Dr. Lanning | 2 | 1 |
| James Keane | Joe Gordon | Michael Hallbrenner | 1 | 1 |
| Joan McMurtrey | Natalie Cabot | Cindy Randall | 1 | 1 |
| Lee Garlington | Alisa McKenzie | Attorney | 1 | 1 |
| Linda Gehringer | Lee Tyler | Ms. Bancock | 1 | 1 |
| Lisa Banes | Kimberly Mellon | Judge Samantha Cooke | 1 | 1 |
| Phillip Palmer | Newscaster | Anchor #1 | 3 | 1 |
| Stacey Travis | Carol Cabot | Lisa Astin | 1 | 1 |
| Tom McGowan | Noris Milk | William Wright | 1 | 1 |
| Hugh Holub | Foreperson | Attorney Harold Caltrow, Prosecutor #2 | 1 | 2 |
| Art Frankel | Walter Schmidt | Pat Magee | 1 | 1 |
| Barbara Eve Harris | Principal Holliston | Judge Joan Limpert | 1 | 1 |
| Brent Jennings | Marshall Gottlieb | Malcolm Kane | 1 | 1 |
| Conor O'Farrell | Assistant D.A. Glenn Jackson | D.A. Albert Bellamy | 1 | 1 |
| David Bowe | Jeffrey Addario | Harris Reed | 1 | 1 |
| Ellen Bry | Shelby Morris | Mary Boyd | 1 | 1 |
| Gregory Alan Williams | John Zenawi | ADA Jeffrey Scott | 1 | 1 |
| Jayne Taini | Principal Berleth | Nancy Horan | 1 | 1 |
| Kat Sawyer | Judge Brenford | Foreperson | 1 | 1 |
| Kelly Smith | Amelia Warner | Nancy Connell | 1 | 1 |
| Kevin Chapman | Officer Wayne Kirkland | Officer Lemay | 1 | 1 |
| Matt Malloy | Donald Wharton | Mr. Robinson | 1 | 1 |
| Michael Holden | Rabbi Saul Levine | Joe Walsh | 1 | 1 |
| Nadine Ellis | Singer #3 | Officer Annie Carroll | 1 | 1 |
| Peter MacKenzie | Reid Harrington | D.A. Brunner | 1 | 1 |
| Robert Joseph | Special Treasury Agent Joseph Reynolds | Officer Jones | 1 | 1 |
| Scott Klace | Dr. Mitchell Levinson | Stephen Hatfield | 1 | 1 |
| Steve Tom | Martin Jeffries | Leonard Stewart | 1 | 1 |
| Vincent Angell | Assistant D.A. Richard Kirkland | Attorney Todd Furst | 1 | 1 |
| Gerry Becker | Mr. Faber | Attorney, Hub News Attorney | 1 | 2 |
| Randy Oglesby | Walter Edmunds | Dr. Feldman, Judge Kelly White | 1 | 2 |
| Stu Levin | Justice Stephen Breyer | Foreman | 2 | 1 |
| Christopher B. Duncan | Dr. Jeremy Marley | Audio Surveillance FBI Agent | 1 | 1 |
| Dean Norris | Byron Kaneb | Detective | 1 | 1 |
| Jim Antonio | Walt Bonner | Archbishop Mazzoni | 1 | 1 |
| John Berg | Judge Hober | Dr. Joshua Illitch | 1 | 1 |
| John Short | Dr. Raymond Young | Warren Snail | 1 | 1 |
| Katherine LaNasa | Pat Ontario | Sheila Roe | 1 | 1 |
| Ken Lerner | Howard Bridge | Rabbi Sam Benzig | 1 | 1 |
| Lily Knight | Helen Gershen | Mary Pierce | 1 | 1 |
| Michael Dempsey | Dominick Ryan | Officer Stroud | 1 | 1 |
| Scott Alan Smith | Dr. Randall | Doctor | 1 | 1 |
| Scott Allan Campbell | Detective Scott Reynolds | D.A. | 1 | 1 |
| Stephen Tobolowsky | Dr. Alvin Azinabinacroft | Clyde Burrows | 1 | 1 |
| Steve Ryan | Special Agent Kevin Drummond | Detective Alan Slezak | 1 | 1 |
| Tom Kemp | Principal Oliver Atkins | Samuel Palmer | 1 | 1 |
| Jack Impellizzeri | Officer Jones | Checkpoint Officer No. 2 | 2 | 1 |
| Pamela Shaddock | Marshall of the Court | Juror Melanie Sills | 2 | 1 |
| Barry Primus | Professor Jeffrey Benoit | Mr. Goodwin | 1 | 1 |
| Betsy Brandt | Gwen Richards | Lynda Hobbs | 1 | 1 |
| Bradford English | Michael Ryder | Roland Monroe | 1 | 1 |
| Christopher Stanley | Bob Winthrop | Officer Kent | 1 | 1 |
| Holmes Osborne | Mayor George Bostwick | Jeffrey Hyde | 1 | 1 |
| J. Patrick McCormack | Judge Sean O'Byrne | Pierce Stanton | 1 | 1 |
| Mary Kathleen Gordon | Sylvie White | Bridal Shop Seamstress | 1 | 1 |
| Stephen Hornyak | Officer | Jason McNeil | 1 | 1 |
| Susan Floyd | Wendy Moore | A.D.A. Nancy Atkins | 1 | 1 |
| Tony Pasqualini | U.S. Attorney Joyner | Dr. Winters | 1 | 1 |
| Willie C. Carpenter | Walter Mack | Steven Watson | 1 | 1 |
| Cheryl White | Mary Stevens | Christine Shepard | 1 | 1 |
| Margaret Welsh | Alena Richardson | Kelly Langer | 1 | 1 |
| Miriam Flynn | Gretchen Winters | Mary Stokes | 1 | 1 |
| Barry Sigismondi | Officer James | Detective Stephen Mills | 2 | 1 |
| Kevin Cooney | Partner Smith | Dr. Fairby | 1 | 1 |
| Mark Chaet | Byron Robb | Notary Public | 1 | 1 |
| Michael Chieffo | Dr. Saul Robbins | Chris Varley | 1 | 1 |
| Neal Matarazzo | Brian Stevens | Officer Danny Hanson | 1 | 1 |
| Nick Toth | Minister Bill | Judge Wayne Morris | 1 | 1 |
| S.E. Perry | MC in Ballroom | Officer Chandler | 1 | 1 |
| Shawn Michael Patrick | Dr. Kodash | Dr. Lyle | 1 | 1 |
| Steven M. Gagnon | Detective Lowe | Dr. Norman Haynes | 1 | 1 |
| Billy Kane | Guy With Bomb | Defendant | 1 | 1 |
| David Brisbin | Derek Ross | Byron | 1 | 1 |
| Deirdre M. Smith | Jury Foreperson | Karen Lees | 1 | 1 |
| Patrick John Hurley | Bryce Laughlin | Alex Burke | 1 | 1 |
| Traber Burns | Warden | Prospective Male Juror #2 | 1 | 1 |
| Butch Hammett | George Tanner | Walter Cole | 1 | 1 |
| Lamont Dixon | Attendant | Officer | 1 | 1 |
| Matt Kaminsky | Mike Beckett | Reporter No. 1 | 1 | 1 |
| John O'Brien | Clerk #2 | Foreman | 1 | 1 |
| Reggie Jordan | Reporter #2 | Bailiff | 1 | 1 |
| Terry Bozeman | Adam Herbett | Federal Judge | 1 | 1 |
| Jennifer Williams | Foreperson | Doyle | 1 | 1 |
| Mary Chris Wall | Elizabeth Tilley | A.D.A. Lisa Holtan | 1 | 1 |
| Brent Keast | Dr. Brill | Kane | 1 | 1 |
| Scott Reitz | SWAT Police | SWAT Officer | 1 | 1 |
| Kevin Dunigan | Campaign Aide | Security Guard | 1 | 1 |
| Kim Delgado | Foreman | Bailiff | 1 | 1 |
| Jean Montanti | Foreperson | Jury Forewoman | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.