All 119 actors in both Ally McBeal and Grey's Anatomy
119 actors have appeared in both Ally McBeal and Grey's Anatomy, across 579 episodes. The most-credited is Albert Hall, Judge Seymore Walsh in Ally McBeal and Eugene Foote in Grey's Anatomy.
| Actor | In Ally McBeal | In Grey's Anatomy | Eps | Eps |
|---|---|---|---|---|
| Albert Hall | Judge Seymore Walsh | Eugene Foote | 51 | 1 |
| Loretta Devine | Nora Mills | Adele Webber | 1 | 23 |
| Peter MacNicol | John Cage | Dr. Robert Stark | 11 | 7 |
| Taye Diggs | Jackson Duper | Dr. Sam Bennett | 10 | 3 |
| Christina Ricci | Liza Bump | Hannah Davies | 7 | 2 |
| LaTanya Richardson | Attorney Yvette Rose | Diane Pierce | 2 | 5 |
| James Le Gros | Mark Albert | Jerry | 5 | 1 |
| Alexandra Holden | Jane Wilco | Jamie Carr | 3 | 1 |
| Larry Brandenburg | Judge Raynsford Hopkins | Arnie Grandy | 3 | 1 |
| Linda Gehringer | Attorney General Janet Reno, Shirley Peterson | Georgia Fisher | 3 | 1 |
| John O'Brien | Waiter | Lab Tech Jeffrey | 1 | 13 |
| Jack Shearer | Judge Alan Rancor | Jordan Franklin | 4 | 1 |
| Harrison Page | Rev. Mark Newman | Daniel Cobb | 6 | 1 |
| Bernadette Peters | Cassandra Lewis | Sarabeth Breyers | 2 | 2 |
| Craig Bierko | Dennis Martin | Dr. Joseph Chase | 1 | 1 |
| Kevin Rahm | Clayton Hooper | Mr. Duff | 1 | 1 |
| Paula Newsome | Phyllis Butters | Mrs. Sturgeon | 1 | 1 |
| Wren T. Brown | Mr. Stone | Michael | 1 | 3 |
| Roma Maffia | Attorney Beckerwith | Roberta Thompson | 1 | 4 |
| Brigid Brannagh | Paula | Veronica Kays | 1 | 2 |
| Curtis Armstrong | Tiny Tim Fallow | Robert Martin | 1 | 2 |
| Francesca P. Roberts | Judge Cynthia Harris | Mrs. Bird | 2 | 1 |
| Isaiah Washington | Michael Rivers | Dr. Preston Burke | 2 | 1 |
| Raphael Sbarge | Attorney Burlingham | Paul | 1 | 2 |
| Richard T. Jones | Matt Griffin | Captain Dan | 2 | 1 |
| Steven Culp | Attorney Dixon | Dr. Parker | 2 | 4 |
| Bruce French | Simon McAllister | Father Kevin | 3 | 1 |
| Cleo King | Ms. Parks | Robin | 1 | 3 |
| Dee Wallace | Gail Clarkson | Joan Waring | 1 | 1 |
| Kathy Baker | Katherine Dawson | Anna Loomis | 1 | 2 |
| Kurt Fuller | Attorney Paget, Bernard Marsh | Jerry | 2 | 1 |
| McNally Sagal | Mary Halliday | Kari Donnelly | 1 | 5 |
| Michael Hyatt | Stage Manager | Mariann Davidson | 1 | 1 |
| Michael O'Neill | Dr. Colbert | Gary Clark | 1 | 4 |
| Michelle Gardner | Stenographer | Myrna Schmitt | 1 | 4 |
| Rusty Schwimmer | Angela Tharpe | Patricia Phillips | 1 | 1 |
| Dan Martin | Principal Jolie | Scott Hill | 1 | 2 |
| Holmes Osborne | Det. Gerard Billow, Principal Figgins | Dr. Kenzie | 2 | 1 |
| Mark Moses | Attorney Hoover | Dr. Larry Maxwell | 2 | 1 |
| Robert Picardo | Barry Philbrick | Mr. Nelligan | 1 | 2 |
| Amy Aquino | Dr. Harper | Marianne Grandy | 1 | 1 |
| Anne-Marie Johnson | D.A. Foster | Judge Madeline Kane | 1 | 1 |
| Caroline Aaron | Laura Dipson | Connie | 1 | 1 |
| Lauren Bowles | Callie Horne | Alice Franklin | 1 | 1 |
| Sam Anderson | Mark Harrison | Michael Whitman | 1 | 1 |
| Valerie Mahaffey | Dr. Sally Muggins | Donna Kaufman | 1 | 1 |
| Amy Pietz | Bonnie Boone | Shelby Lewis | 2 | 1 |
| LisaGay Hamilton | Rebecca Washington | Dr. Connie Ryan | 1 | 2 |
| Paul Perri | Attorney Serrano | Rick's Friend | 1 | 2 |
| Susan Merson | Judge Stoller | Lorraine | 1 | 2 |
| Christian Clemenson | Mr. Hookland | Ivan Fink | 1 | 1 |
| Debra Christofferson | Vicky Sharpe | Elaine | 1 | 1 |
| Eve Brenner | Old Ally | Enid | 1 | 1 |
| Gregg Daniel | Doctor | Paul James | 1 | 1 |
| Jean Louisa Kelly | Lisa | Rose Ward | 1 | 1 |
| Jennifer Rhodes | Gladys Claven | Jean Dominy | 1 | 1 |
| Kathleen Wilhoite | Janie Bittner | Leslie Goldman | 1 | 1 |
| Kathryn Joosten | Sister Alice | Mrs. Drake | 1 | 1 |
| Mo Collins | Flight Attendent | Jessica's Mom | 1 | 1 |
| Paul Dooley | Nicholas Engblume | Dr. Walter Tapley | 1 | 1 |
| Romy Rosemont | Marie Hall | Lea Seibert | 1 | 1 |
| Sarah Hagan | Girlfriend #3 | Devo Friedman | 1 | 1 |
| William R. Moses | Kenneth Thompson | Steven | 1 | 1 |
| Audrey Wasilewski | Maureen Ringer | Nicole Waldman | 1 | 1 |
| Carol Locatell | Judge Henrietta Fullem | Mai | 1 | 1 |
| Cynthia Stevenson | Hayley Chisolm | Ruthie Carlin | 1 | 1 |
| David Burke | Harry | Don | 1 | 1 |
| Denis Arndt | Michael Mannix | Colonel Robbins | 1 | 1 |
| Eric Payne | Todd Paradisio | Dan Pollock | 1 | 1 |
| Jamie Rose | Sandra Winchell | Lena | 1 | 1 |
| Kate McNeil | Marianne Harper | Tess's Mother | 1 | 1 |
| Michael Reilly Burke | Mr. Wells | Mr. Finch | 1 | 1 |
| Missy Yager | Molly | Terri | 1 | 1 |
| Peter MacKenzie | Kendall Stevens | Warren Kramer | 1 | 1 |
| Steven Flynn | Sam Little | Scott Robinson | 1 | 1 |
| Victoria Kelleher | Helen Fischer | James's Mother | 1 | 1 |
| Jane Clark | Nurse | Nurse | 1 | 2 |
| John Duerler | Foreperson | Grant | 1 | 2 |
| Ann Cusack | Rebecca Moore | Amy Polus | 1 | 1 |
| Christopher Michael | Bailiff, Police Officer | Ray | 2 | 1 |
| Clare Carey | Mary Clapp | Nikki Gibson | 1 | 1 |
| Eileen Ryan | Bria Tolson | Majorie Reed | 1 | 1 |
| Eva La Dare | Tina Turner Impersonator | Police Officer #2 | 1 | 1 |
| George Anthony Bell | Congregant | Judge | 1 | 1 |
| Graham Beckel | Mr. Feldman | Jim Johnson | 1 | 1 |
| Jenica Bergere | Jessica Pipp | Kimberly "Kiki" Thompson | 1 | 1 |
| Jill Holden | Wanda Spickett | Naomi Cline | 1 | 1 |
| Judith Moreland | D.A. Sharon Anderson | Mrs. Baer | 1 | 1 |
| Larry Weissman | Jury Foreman, Tina Turner backup auditionee | Psych Patient #1 | 2 | 1 |
| Lawrence Pressman | Judge Harland Smart | Frank Nelson | 1 | 1 |
| Louis Giambalvo | Harold Jordan | John Terzian | 1 | 1 |
| Missi Pyle | Marcia Hooper | Dr. Nicole Baylow | 1 | 1 |
| Sara Van Horn | Jury Forewoman | Nash's Grandma | 1 | 1 |
| Valeri Ross | Security Officer | Lois | 1 | 1 |
| Don McManus | Greg Harrod | Samuel Linden | 1 | 1 |
| Greta Sesheta | Foreperson | Shayna | 1 | 1 |
| Lorna Raver | Judge N. Saturn | Patient In ER | 1 | 1 |
| Michael Mantell | Joseph Shapiro | Tim Nolan | 1 | 1 |
| Nate Reese | Clerk | Father of Patient #1 | 1 | 1 |
| Nelson Mashita | Foreperson | Dr. Bennit Epstein | 1 | 1 |
| Wilson Cruz | Stephanie Grant | Kyle | 1 | 1 |
| Aaron Lustig | Attorney Bowe | Judge William Benson | 1 | 1 |
| Barry Livingston | Dr. John Emburg | Wayne Sheehan | 1 | 1 |
| Chet Grissom | Driver | Uncle Pat | 1 | 1 |
| Mark L. Taylor | Joel Schofield | Dave Buckley | 1 | 1 |
| Mary Wickliffe | Ms. Findley | Annie Banks | 1 | 1 |
| Mike Hagerty | Michael Huttle | Al Keller | 1 | 1 |
| Miriam Flynn | Karen Koolie | Ms. Bitzer | 1 | 1 |
| Scott Klace | Dr. Hobey | Dr. Jordan Wagner | 1 | 1 |
| Scout Taylor-Compton | Young Georgia | Angie | 1 | 1 |
| Michael Albala | Goofball | Harvest Surgeon | 1 | 1 |
| Sharon Omi | Bailiff | Worried Tenant | 1 | 1 |
| Carla Barnett | Nurse | Tanya | 1 | 1 |
| Peter Birkenhead | Steve | Dr. Orsen | 1 | 1 |
| Randy Thompson | Policeman | Frank Waring | 1 | 1 |
| Dan D'Amicol | Foreman | Good Samaritan | 1 | 1 |
| Stephon Fuller | Photographer | Gregor | 1 | 1 |
| Helen Eigenberg | A.D.A. Kettering | Lillian Campion | 1 | 1 |
| Maggie Egan | Foreperson | Lynn | 1 | 1 |
← Ally McBeal × Grey's Anatomy
Cast data from TVmaze, licensed CC BY-SA 4.0.