All 196 actors in both Grey's Anatomy and The Practice
196 actors have appeared in both Grey's Anatomy and The Practice, across 634 episodes. The most-credited is Kate Burton, Dr. Ellis Grey in Grey's Anatomy and A.D.A. Susan Alexander in The Practice.
| Actor | In Grey's Anatomy | In The Practice | Eps | Eps |
|---|---|---|---|---|
| Kate Burton | Dr. Ellis Grey | A.D.A. Susan Alexander | 29 | 9 |
| Jeffrey Dean Morgan | Denny Duquette | Daniel Glenn | 20 | 1 |
| Debra Mooney | Evelyn Hunt | Judge P. Spindle | 13 | 7 |
| Jeff Perry | Thatcher Grey | Randy Markham | 15 | 1 |
| Kim Raver | Dr. Teddy Altman | Vicky Keenan | 14 | 1 |
| Chris O'Donnell | Finn Dandridge | Brad Stanfield | 10 | 4 |
| Edward Herrmann | Intern Norman | Professor Anderson Pearson | 3 | 10 |
| Marla Sokoloff | Glenda Castillo | Lucy Hatcher | 2 | 11 |
| Jason Kravits | Chuck Rubin | A.D.A. Richard Bay | 1 | 9 |
| Paul Dooley | Dr. Walter Tapley | Judge Philip Swackheim | 1 | 8 |
| Patrick Dempsey | Dr. Derek Shepherd | Dr. Paul Stewart | 4 | 3 |
| Albert Hall | Eugene Foote | Judge Seymore Walsh | 1 | 5 |
| Amanda Fuller | Morgan Peterson | Julie Lennon | 5 | 1 |
| Arye Gross | Adam Morris | Rabbi Daniel Warner, Attorney John Franklin | 1 | 5 |
| Chyler Leigh | Dr. Lexie Grey | Claire Wyatt | 3 | 1 |
| Steven Flynn | Scott Robinson | D.A. Martin Toomey | 1 | 3 |
| Kathleen M. Darcy | Anesthesiologist | Clerk No. 2 | 10 | 1 |
| Bill Smitrovich | Dr. Walter Carr | A.D.A. Kenneth Walsh | 2 | 5 |
| Denis Arndt | Colonel Robbins | ADA Roland Hill, A.A.G. Quentin Reynolds, Defense Attorney Robertson | 1 | 6 |
| John O'Brien | Lab Tech Jeffrey | Foreman | 13 | 1 |
| Alfre Woodard | Justine Campbell | Denise Freeman | 1 | 2 |
| René Auberjonois | Neil Sheridan | Judge F. Mantz | 1 | 2 |
| Charles Walker | Dr. Chesney | Judge Keith, Judge M. Frankel | 1 | 4 |
| Michael O'Neill | Gary Clark | Judge Robert Temple | 4 | 1 |
| Bruce Weitz | Mr. Edward Levangie | D.A. Robert Webb | 1 | 1 |
| D.B. Woodside | Marcus King | Aaron Wilton | 1 | 1 |
| Diane Venora | Audrey Taylor | Margaret Wakefield | 1 | 1 |
| Jenny O'Hara | Mrs. Shelton | Louise Morgan | 1 | 1 |
| Steven Culp | Dr. Parker | A.D.A. Emmanuel Kupcheck, Attorney Alldredge | 4 | 2 |
| Thom Barry | CDC Investigator | Judge B. Watson | 1 | 3 |
| Tyrees Allen | Dr. Saltzman | A.D.A. Mark Campbell, A.D.A. Curtis Simmons | 1 | 5 |
| Wren T. Brown | Michael | Attorney Scott Layden | 3 | 1 |
| Phil Abrams | Dr. Jim Nelson | Gary Strangis, Randy Peete | 3 | 2 |
| Bonnie Bartlett | Rosemary Bullard | Joanna Oz | 1 | 2 |
| Scott Cohen | Dr. Tom Evans | A.D.A. Mitchell Wheeler | 1 | 2 |
| McNally Sagal | Kari Donnelly | U.S. Attorney Melnick | 5 | 2 |
| Kathy Baker | Anna Loomis | Evelyn Mayfield | 2 | 2 |
| Dan Martin | Scott Hill | Officer Tedesco | 2 | 1 |
| Dennis Boutsikaris | Don Taylor | U.S. Attorney Greg Mitchell | 1 | 1 |
| J. August Richards | Young Dr. Richard Webber | Michael Anderson | 2 | 1 |
| L. Scott Caldwell | Allison Cobb | Parole Board Chairwoman Susan Moton | 1 | 1 |
| Linda Gehringer | Georgia Fisher | Ms. Bancock | 1 | 1 |
| Mark L. Taylor | Dave Buckley | Dr. Reichal, Judge Andrew MacDonald, Wiggins' Psychiatrist | 1 | 3 |
| Marshall Allman | Jeremy West | Todd Beck | 2 | 1 |
| Pat Healy | Tom Russell | Russell Thurm | 2 | 1 |
| Reni Santoni | Alan Griswold | Roland Mapp | 1 | 2 |
| Robert Picardo | Mr. Nelligan | Dr. Edmunds | 2 | 1 |
| Rockmond Dunbar | Sean Brotherton | Byron Little | 1 | 1 |
| Sarah Rafferty | Suzanne Britland | Judy Wilson | 3 | 1 |
| Saul Rubinek | Eli Rigler | Attorney Arnold Hunter | 1 | 2 |
| Taylor Nichols | Rick Humphrey | Father Tom Dugan | 1 | 3 |
| Tzi Ma | Mr. Patterson | Tang Jingyu | 1 | 1 |
| Wendy Gazelle | Julie Phillips | Deborah Munce, Laura Redstone | 1 | 2 |
| Kerry Carney | Intern #1, ND Resident | Paula Morris | 5 | 1 |
| Cliff DeYoung | Phil Loomis | Attorney Randall West | 2 | 3 |
| Colleen Flynn | Nancy Mercer | Wendy Stuart | 1 | 3 |
| John Prosky | Mr. Singleton | EPA Attorney Mitchell Kravits | 1 | 3 |
| John Rubinstein | Keith Kalber | Judge Joseph Papp | 1 | 3 |
| Alan Blumenfeld | Shawn Sullivan | Attorney Claude, Attorney Molkovich | 1 | 2 |
| Dean Norris | Vince | Detective | 2 | 1 |
| Jeanette Brox | Shelley | Jenny Littlefield | 1 | 2 |
| John Billingsley | Jacob Nolston | Revenue Officer Robert Schmitt | 2 | 1 |
| John Walcutt | Paul Cotler | Jonathan Macklin | 1 | 2 |
| Keith Sellon-Wright | Surgeon #1 | Attorney Berry | 2 | 1 |
| Larry Brandenburg | Arnie Grandy | Judge Steven Winwood | 1 | 2 |
| Margaret Welsh | Dorie Russell | Kelly Langer | 2 | 1 |
| Tom Bower | Mr. Schultz | John Pierce | 1 | 2 |
| Amy Aquino | Marianne Grandy | Judge Louise Moreno | 1 | 1 |
| Caroline Aaron | Connie | Delores Keplar | 1 | 1 |
| Currie Graham | Greg | Sheldon Modry | 1 | 1 |
| Dohn Norwood | Lou | Alex Gaul | 1 | 1 |
| Emily Kuroda | Kendall Sully | Dentist Hygienist Janice Heinz | 1 | 1 |
| Francis Guinan | Mr. Verma | A.D.A. Mitchell Field, Gary Newman, Mitchell Field | 1 | 3 |
| Freda Foh Shen | Missy Grant | Judge Amy Okubo | 1 | 1 |
| Joan McMurtrey | Zoey Glass | Cindy Randall | 1 | 1 |
| Kurt Fuller | Jerry | Attorney David Lawrence | 1 | 1 |
| Mark Harelik | Keith Polus | Michael Agosta | 1 | 1 |
| Mark Pellegrino | Chris | Herrick Smoltz | 1 | 1 |
| Michael Reilly Burke | Mr. Finch | Detective Kevin McCarley | 1 | 3 |
| Miguel Nájera | Janitor | Federal Immigration Judge Patron, Foreperson | 2 | 2 |
| Ralph Waite | Irving Waller | Walter Josephson | 1 | 1 |
| Robert Pine | Vincent | John Monahan | 1 | 1 |
| Eve Gordon | Mary Chapman | Janet Walsh | 1 | 2 |
| Hugh Holub | Dr. Ben Warren | Attorney Harold Caltrow, Prosecutor #2 | 1 | 2 |
| Jessica Steen | Dr. Rebecca Froy | Brianna Hatfield, Dr. Sarah Ford | 1 | 2 |
| John Cothran, Jr. | Ken Monroe | Chris Patterson | 2 | 1 |
| Bruce French | Father Kevin | Attorney Barry Pederson, Attorney General Walgren, Judge M. Walters | 1 | 3 |
| Christian Clemenson | Ivan Fink | Barry Wall | 1 | 1 |
| Colby French | Mr. Filson | Richie Price | 1 | 1 |
| Crista Flanagan | Andrea | Marcia | 1 | 1 |
| Cynthia Ettinger | Jana | Martha Pinker | 1 | 1 |
| Elisabeth Moss | Nina Rogerson | Jessica Palmer | 1 | 1 |
| Eve Brenner | Enid | Sybil Walters | 1 | 1 |
| Faran Tahir | Isaac | Dr. Michael Shields | 1 | 1 |
| Graham Beckel | Jim Johnson | Dr. Joel Helms | 1 | 2 |
| Isabella Hofmann | Irene Waller | Kate Littlefield | 1 | 2 |
| Jim Lau | Examiner #4 | Dr. Ming Hyang, Paul Ioki | 2 | 2 |
| Lois Smith | Mrs. Dickinson | Mary Beth Berluti | 1 | 1 |
| Mark Moses | Dr. Larry Maxwell | Henry Winslow | 1 | 1 |
| Susan Merson | Lorraine | Mrs. Green | 2 | 1 |
| Tim Rhoze | Kyle Booker | Grant Danforth | 1 | 1 |
| Tom Amandes | Charlie Waller | Robert Wakefield | 1 | 1 |
| Vic Chao | Doug Giles | Officer Chen / F.B.I. Agent | 1 | 1 |
| Ivar Brogger | Graham Cunningham | Kevin Stadler, John Blair | 1 | 3 |
| Spencer Garrett | Jim Walker | A.D.A. Carter | 1 | 2 |
| Aida Turturro | Lynne Gagliano | Caren Payne | 1 | 1 |
| Carol Locatell | Mai | Erica Mathers | 1 | 1 |
| Denise Dowse | Lorraine | Caroline | 1 | 1 |
| Dorian Harewood | Charles Webber | Dr. Issac Cochran, Jerry Cochran | 1 | 1 |
| Gabriel Casseus | Taylor Tressel | Daryl Johnson | 1 | 1 |
| George Coe | Ed Bullard | Judge Harold Waters | 1 | 1 |
| Jon Curry | Fred Fisher | Officer Paul Lykin | 1 | 1 |
| Katherine LaNasa | Kalpana Vera | Sheila Roe | 1 | 1 |
| Lee Garlington | Farah Linden | Attorney | 1 | 1 |
| Michael Patrick McGill | Bob Corson | Officer Gailey | 1 | 1 |
| Paul Eiding | Stan | Mr. Liston | 1 | 1 |
| Rosanna Arquette | Constance Ferguson | Brenda Miller | 1 | 1 |
| Susan Chuang | Naomi Evans | Reporter No. 2 | 1 | 1 |
| Brett Rickaby | Mr. Weston | Earl Taylor | 1 | 2 |
| Dougald Park | Lawyer | Zachary Kingman | 1 | 2 |
| Lawrence Pressman | Frank Nelson | Dr. Milton Leach, Russell Mathis | 1 | 2 |
| Paul Cassell | John Hanson | Jay Hickman | 1 | 2 |
| Amy Stewart | Diane Early | Maddie Werner | 1 | 1 |
| Betty Murphy | Lulu | Connie Malzone | 1 | 1 |
| Billy Mayo | Rick | Sgt. George Gilman | 2 | 1 |
| Brent Jennings | Charles Redford | Malcolm Kane | 1 | 1 |
| Cheryl White | Lynn Connors | Christine Shepard | 1 | 1 |
| Chet Grissom | Uncle Pat | Jeremy Forbes | 1 | 1 |
| Christopher Michael | Ray | FBI Agent Gus Lewis, Police Officer | 1 | 2 |
| David Bowe | Don | Harris Reed | 1 | 1 |
| David Chisum | Judge Jeffrey King | Public Counsel Jack Pope | 1 | 1 |
| George Anthony Bell | Judge | Court Clerk | 1 | 1 |
| Holmes Osborne | Dr. Kenzie | Jeffrey Hyde | 1 | 1 |
| Marc Vann | Hematologist | Terry Glazer | 1 | 2 |
| Markus Flanagan | Ed Hamilton | D.A. Earl Schott | 1 | 1 |
| Megan Henning | Willow Zelman | Meredith Danzer | 1 | 1 |
| Nadine Ellis | Melissa Walker | Officer Annie Carroll | 1 | 1 |
| Peter MacKenzie | Warren Kramer | D.A. Brunner | 1 | 1 |
| Richard Cox | Marvin | Attorney Stuart Miller | 1 | 1 |
| Sara Van Horn | Nash's Grandma | Aunt Laurie | 1 | 1 |
| Scott Klace | Dr. Jordan Wagner | Stephen Hatfield | 1 | 1 |
| Stewart Skelton | Dr. Fischer | Prosecutor #1 | 1 | 1 |
| Ursula Burton | E.R. Nurse | Foreperson | 2 | 1 |
| Nathan West | Mike | James Parrish | 1 | 2 |
| Becca Gardner | Bex Singleton | Anna Vjorka | 1 | 1 |
| Bernard White | Dr. Darwich | Ahmad Sharif | 1 | 1 |
| Heather McComb | Rachel Burke | Lynette Hayes | 1 | 1 |
| James Moses Black | Duncan | Policeman | 1 | 1 |
| Ken Marino | Brad Ackles | Kevin Michaels | 1 | 1 |
| Lesley Fera | Ann | A.D.A. Kate Barron | 1 | 1 |
| Lisa Kaminir | Doris Friedman | Atty. Hanson | 1 | 1 |
| Lorna Raver | Patient In ER | Pearson's Assistant | 1 | 1 |
| Peter Gregory | Jonathon | Officer Gibson | 1 | 1 |
| Raymond Cruz | Daniel Jiménez | Miguel Moreno | 1 | 1 |
| Bob Bancroft | Leonard Olsen | Dr. Alan Nettle | 1 | 1 |
| George Gerdes | Norman Sholman | Gun Manufacturer | 1 | 1 |
| Janet Song | Desk Worker | Foreman | 1 | 1 |
| Miriam Flynn | Ms. Bitzer | Mary Stokes | 1 | 1 |
| Page Leong | Dr. Cynthia Cu | Pauline | 1 | 1 |
| Paul Hayes | Old Man Carl | Walter Cates | 1 | 1 |
| Derick Alexander | Lab Tech | Orderly | 1 | 1 |
| Jack Shearer | Jordan Franklin | Mr. Johnson | 1 | 1 |
| Maria McCann | Renee | Eve Haber | 1 | 1 |
| Michael Medico | Martin | Officer Danny Hope | 1 | 1 |
| Nate Reese | Father of Patient #1 | Bailiff | 1 | 1 |
| Pat Destro | Boise Nurse | Cindy Graham | 1 | 1 |
| Richard Gilbert-Hill | Small Town Doc | Allan Gamm | 1 | 1 |
| William B. Jackson | Old Man | Judge Watson | 2 | 1 |
| Alyssa Shafer | Kelly Temple | Zoey Frutt | 1 | 1 |
| James Shanklin | Lt. Moore | Dr. Heinrick Schmidt | 1 | 1 |
| Karl T. Wright | Divorce Mediator | Andrew Burton | 1 | 1 |
| Ken Meseroll | Ron | Attorney Jonathan Lambert | 1 | 1 |
| Steven M. Gagnon | Mr. Lepik | Dr. Norman Haynes | 1 | 1 |
| Terry Woodberry | Police Officer | FBI Agent Smoller | 1 | 1 |
| Darius Dudley | Trial Patient #3 | Undercover Guard | 1 | 1 |
| Lou Richards | Steven Basche | ADA Tom Connolly | 1 | 1 |
| Margarita Reyes | Lucy Renfield | Janice White | 1 | 1 |
| Philip Casnoff | Dr. Mel Barnett | Danny Rogers | 1 | 1 |
| Sonia Jackson | Patient #1 | Protester #4 | 1 | 1 |
| Aaron Lustig | Judge William Benson | Attorney Michael King | 1 | 1 |
| Mark Chaet | Judge | Notary Public | 1 | 1 |
| Traber Burns | Andy's Lawyer | Prospective Male Juror #2 | 1 | 1 |
| Helen Eigenberg | Lillian Campion | Dr. Cusack | 1 | 1 |
| Pamela Shaddock | Shara Freeman | Juror Melanie Sills | 1 | 1 |
| Randy Thompson | Frank Waring | William Finnerty | 1 | 1 |
| Reggie Jordan | Reporter #1 | Bailiff | 1 | 1 |
| Tracy Maddox | Sophia Cassidy | Doctor #2 | 1 | 1 |
| Jodi Harris | Audrey Hobart | Lisa Jolie | 1 | 1 |
| Kevin Dunigan | SWAT Guy | Security Guard | 1 | 1 |
| Elayn J. Taylor | Loretta | Judge Haley Logan | 1 | 1 |
| Fred Kronenberg | Roland Hobart | Atty. Warren Stiles | 1 | 1 |
| Larry Weissman | Psych Patient #1 | Clerk | 1 | 1 |
| Matt Kaminsky | Rashy Man | Reporter No. 1 | 1 | 1 |
| Milda Dacys | Marla Shulte | Clerk | 1 | 1 |
| Frank Ertl | Michael Goldman | Juror | 1 | 1 |
| Debra Holt | Big Man's Wife | Secretary | 1 | 1 |
← Grey's Anatomy × The Practice
Cast data from TVmaze, licensed CC BY-SA 4.0.