All 119 actors in both NYPD Blue and The Practice
119 actors have appeared in both NYPD Blue and The Practice, across 428 episodes. The most-credited is Ray Abruzzo, Curtis Cangelosi in NYPD Blue and Detective Michael McGuire in The Practice.
| Actor | In NYPD Blue | In The Practice | Eps | Eps |
|---|---|---|---|---|
| Ray Abruzzo | Curtis Cangelosi | Detective Michael McGuire | 1 | 44 |
| James Pickens, Jr. | Nathan Foster | Detective Mike McKrew | 1 | 15 |
| Anna Gunn | Kimmy | A.D.A. Jean Ward | 2 | 10 |
| Michael J. Harney | Mike Roberts | A.D.A. Walt Frazier | 8 | 1 |
| Mik Scriba | Bartender | Detective Frank Simons | 1 | 6 |
| Charles Cioffi | Raymond Schelzo | Judge Walter Kimball | 1 | 5 |
| Mark Pellegrino | Steve Dansick, Fran Watkins, Stanley Struel | Herrick Smoltz | 4 | 1 |
| James Handy | Borough Commander Haverill | Lieutenant Paul Stewart, Philly Sidlow | 7 | 2 |
| Conor O'Farrell | Det. Stuart Morrisey | D.A. Albert Bellamy | 3 | 1 |
| Stanley Anderson | Professor John Goldman | Dr. Robert Gale, Dr. Thomas Bellamy | 1 | 3 |
| V.P. Oliver | Warren Leight, Jr. | Michael Baylor | 1 | 3 |
| Scott Allan Campbell | IAB Sgt. Jerry Martens | D.A. | 6 | 1 |
| Ben Slack | Lloyd Cafferty | Judge M. Fuller | 1 | 5 |
| Bill Smitrovich | Dr. Peter Shennon | A.D.A. Kenneth Walsh | 1 | 5 |
| Jack Laufer | Dr. Irv Heller | Dr. Gerald Braun | 1 | 4 |
| Titus Welliver | Dr. Mondzac | Gordon | 4 | 1 |
| Melina Kanakaredes | Benita Alden | Andrea Wexler | 5 | 2 |
| Christian Clemenson | Timothy Bosham | Barry Wall | 1 | 1 |
| George Wyner | Teacher | Rabbi Stewart Lewis | 1 | 1 |
| Mary Major | Reporter | Reporter Angela Coxton, TV Correspondent Melanie Morris | 4 | 8 |
| Paul Ben-Victor | Steve Richards | Benny Small | 2 | 2 |
| Vasili Bogazianos | Duty Captain | A.D.A. Coffee | 1 | 1 |
| Scott Cohen | Eddie Reyna | A.D.A. Mitchell Wheeler | 1 | 2 |
| Tzi Ma | Det. Harold Ng | Tang Jingyu | 2 | 1 |
| Michael Reilly Burke | Harry Benson | Detective Kevin McCarley | 1 | 3 |
| David Purdham | Dr. Barkley | Attorney Matthew Stone | 1 | 3 |
| Giancarlo Esposito | Ferdinand Hollie | Ray McMurphy | 1 | 1 |
| John Finn | Jimmy "Socks" Matloe | Detective Henry Doaks | 1 | 2 |
| Lee Garlington | Margret Lidz | Attorney | 1 | 1 |
| Mark Blum | Dr. Roland Sachs, FBI Agent Mike Francis | State Attorney Michael Scannel | 2 | 1 |
| Michael Rothhaar | Dr. Hulce | Judge Laurence Abrahams, Leonard Welish | 1 | 2 |
| Reni Santoni | Det. Archie Solomon | Roland Mapp | 2 | 2 |
| Dean Norris | Father Jerry Downey | Detective | 3 | 1 |
| John Rubinstein | Matthew Bernstein | Judge Joseph Papp | 1 | 3 |
| John P. Connolly | Det. Jerry McCabe | Warden Steve Langston | 2 | 1 |
| Keith MacKechnie | Phil Bagley | Mr. Mullin, Neil Woolrich | 1 | 2 |
| Larry Brandenburg | Capt. Wallenbeck | Judge Steven Winwood | 1 | 2 |
| Leon Russom | William Crawford | Brian Kearns | 1 | 2 |
| Tom Bower | Victor Ugo | John Pierce | 1 | 2 |
| Willie Garson | Henry Coffield | D.A. Frank Shea | 1 | 2 |
| Zach Grenier | Rudolf Wentz | Detective R. Larson | 1 | 2 |
| Steven Anderson | Bob Marks | Dr. Emerick, Dr. Barry Jacob | 2 | 3 |
| Bill Bolender | Angus Riker | Executioner | 1 | 1 |
| Lawrence Pressman | Arnold Rudman | Dr. Milton Leach, Russell Mathis | 2 | 2 |
| Mitchell Ryan | Jack Hanlan | Judge George Nelson | 1 | 1 |
| Raymond Cruz | Raoul | Miguel Moreno | 1 | 1 |
| Robert Cicchini | Nicky Costantino | Rodney Edsel | 1 | 1 |
| Danny Goldring | Sgt. McNamara | Detective Chuck Driscoll | 2 | 1 |
| Jack Kehler | Howard Coleman, Jimmy Step-and-a-Half | Kyle Peabody | 2 | 1 |
| Mary Mara | Theresa Carlin | Dr. Jane Lefkowitz | 1 | 2 |
| Richard Doyle | Paul Wilson | Judge Warren Halperin | 1 | 2 |
| Julie Ariola | Elizabeth Silber, Marion Forbes | Lorraine Marks | 2 | 2 |
| Adam Goldberg | Dave Bloom | Atty. Noah Burke | 1 | 1 |
| Bill Cobbs | Norval Stevens | Arthur Turner | 1 | 1 |
| Brent Jennings | Ephraim Daniels, Pierre LaFont | Malcolm Kane | 2 | 1 |
| Daniel Von Bargen | Sgt. Ray Kahlins | Detective Smiley | 1 | 1 |
| Jack McGee | Bob Daniels, Fort Lee Sergeant | Detective Schitt | 2 | 1 |
| James Noah | Lt. Brigham | Appellate Judge Patterson | 3 | 1 |
| Jill Andre | Mrs. Manning | Judge Suzanne Greene | 1 | 1 |
| John Prosky | Frederick Converse | EPA Attorney Mitchell Kravits | 1 | 3 |
| Kymberly Newberry | Employee | Susan Kimbro | 1 | 1 |
| Patricia Belcher | Detective | Candace Levy, Foreperson | 1 | 2 |
| Richard Schiff | Vartan Illiescu | Bob Show | 1 | 1 |
| Ted Marcoux | Doug | Dennis Mills | 1 | 2 |
| Gerry Becker | Arnold Cassell, Mr. Goldman | Attorney, Hub News Attorney | 2 | 2 |
| Wanda-Lee Evans | Court Clerk, Gloria Leight, Housewife | Mrs. Raymonds | 3 | 1 |
| Chris Ellis | Marshal | Donald Blane | 2 | 1 |
| Kevin Cooney | Doctor, Miles Grabiner | Dr. Fairby | 2 | 1 |
| Shirley Prestia | Jury Foreperson | Attorney Abby Smythe | 2 | 1 |
| Armand Schultz | Cop | A.U.S.A. Todd Dickson | 1 | 1 |
| Gareth Williams | Marty | Patirck Emerson | 1 | 1 |
| Ivonne Coll | Latina Woman | Dr. Maria Hernandez | 1 | 1 |
| Robert Clohessy | Frank Wuthrich | Detective Gagen | 1 | 1 |
| Robert DoQui | Warren Leight | Doug Kimbro | 1 | 1 |
| Suzanne Krull | Junie | Louise Farcher | 1 | 1 |
| Tom La Grua | Jim DeLucci | Peter Hynes | 1 | 1 |
| Viola Davis | Woman | Aisha Crenshaw | 1 | 1 |
| Cordelia Richards | Georgia Savino | Dr. Emily McCann | 1 | 1 |
| Daniel Zacapa | EMS Officer | Mr. Tabbitt | 1 | 1 |
| Tiiu Leek | Reporter #2 | Reporter Janet Gilmore | 1 | 3 |
| Vic Polizos | Fire Marshall Hauser | Detective Wes Pegler | 1 | 1 |
| Andi Chapman | Chandra | Vonda White | 1 | 1 |
| Bernard White | Gerardo | Ahmad Sharif | 1 | 1 |
| Clifton Powell | Lewis Futrel | Earl Johnson | 1 | 1 |
| Julius Tennon | William Danton | Detective Louden | 1 | 1 |
| Ken Lerner | David Neiberg | Rabbi Sam Benzig | 1 | 1 |
| L. Sidney | Knowledge Islam | Guard # 1 | 1 | 1 |
| Tim Quill | Paddy Perkins | Arvin Grayson | 1 | 1 |
| Aaron Lustig | Neurologist | Attorney Michael King | 1 | 1 |
| Charles Lanyer | Arthur Davis | Dr. Tilletson | 1 | 1 |
| David Kelsey | Resident | Marvin Blaylock | 1 | 1 |
| Dayton Callie | Larry Sinks | Francis Lupino | 1 | 1 |
| John Capodice | Det. Art Stillwell | Joe Jacobs | 1 | 1 |
| Steve Ryan | Pat Carr | Detective Alan Slezak | 1 | 1 |
| Earnestine Phillips | E.M.S. | African-American Woman | 2 | 1 |
| David Dunard | Det. Chris Doudell | Judge in Rydell Hearing | 1 | 1 |
| David L. Crowley | Officer Jimmy Carp | Police Officer Lawrence Kale | 1 | 1 |
| Jack Shearer | Seymour Gold | Mr. Johnson | 1 | 1 |
| Micole Mercurio | Mrs. McBride | Gracie Kramer | 1 | 1 |
| Alvin Walker | Mr. Reeves, Officer Culbertson | Clerk | 2 | 1 |
| Christian Meoli | Phil Farr | Charles Best | 1 | 1 |
| Dennis Creaghan | Monsignor Doherty | Judge J. Kramer | 1 | 1 |
| Gary A. Rodriguez | Middle-Aged Loiterer | Officer Jones | 1 | 1 |
| George Gerdes | Louis Foreman | Gun Manufacturer | 1 | 1 |
| John Cassini | Leo Cooper | Clyde Miller | 1 | 1 |
| Katherine Kamhi | Connie Williams | Attorney Marsha Singleton | 1 | 1 |
| Murray Rubinstein | Ernie Neiberg | Carl Leiberman | 1 | 1 |
| Al Pugliese | Supervisor Kozyck | Mr. Crane | 1 | 1 |
| Bill Capizzi | Fat Mike | Phil Handle | 1 | 1 |
| John Kendall | Line Up #4 | Glenn | 1 | 1 |
| Barbara Allyne-Bennet | Saleswoman | Mrs. Reynolds | 1 | 1 |
| Bruno Alexander | Detective Franchini | Foreman #2 | 1 | 1 |
| Ken Kerman | D.A. Detective #1 | Guard | 1 | 1 |
| Anne Betancourt | Miriam De Guzman | Pilar Guzman | 1 | 1 |
| Basil Wallace | Reginald Harris | A.D.A. Jerry | 1 | 1 |
| James Lorinz | Brick Cop | Lyle Roberts | 1 | 1 |
| Barbara Roberts | Rosalie | Mrs. Jefferson | 1 | 1 |
| Michael Waltman | Theodore Tierney | Joel Bresler | 1 | 1 |
| Marcus Aurelius | Bystander #1 | Foreman | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.