All 138 actors in both Grey's Anatomy and Malcolm in the Middle
138 actors have appeared in both Grey's Anatomy and Malcolm in the Middle, across 618 episodes. The most-credited is Emy Coligado, Janelle Duco in Grey's Anatomy and Piama in Malcolm in the Middle.
| Actor | In Grey's Anatomy | In Malcolm in the Middle | Eps | Eps |
|---|---|---|---|---|
| Emy Coligado | Janelle Duco | Piama | 1 | 28 |
| Danielle Savre | Lieutenant Maya Bishop | Heidi | 7 | 1 |
| Amanda Fuller | Morgan Peterson | April | 5 | 1 |
| Drew Powell | Carl Shatler | Cadet Drew | 1 | 11 |
| Meagen Fay | Paula | Gretchen Mannküsser | 1 | 11 |
| Dan Martin | Scott Hill | Malik | 2 | 7 |
| Kathleen M. Darcy | Anesthesiologist | Wife | 10 | 1 |
| John O'Brien | Lab Tech Jeffrey | Store Clerk | 13 | 1 |
| Patricia Bethune | Nurse Ginger | Mrs. Tracy | 6 | 1 |
| Christina Ricci | Hannah Davies | Kelly | 2 | 1 |
| McNally Sagal | Kari Donnelly | Woman | 5 | 1 |
| Edward James Gage | Adam Keller | Brian | 1 | 7 |
| Merrin Dungey | Dr. Naomi Bennett | Kitty Kenarban, Teacher | 2 | 6 |
| Alanna Masterson | Hillary Boyd | Heidi | 1 | 1 |
| Jonathan Craig Williams | Mr. Kirby | Steve | 1 | 7 |
| Kathryn Joosten | Mrs. Drake | Claire | 1 | 1 |
| Laurie Metcalf | Beatrice Carver | Susan | 1 | 1 |
| Phil Abrams | Dr. Jim Nelson | Neighbor | 3 | 1 |
| Rosanna Arquette | Constance Ferguson | Anita | 1 | 1 |
| Sam Anderson | Michael Whitman | Police Commissioner | 1 | 1 |
| Amy Farrington | Mary May | Karen | 1 | 2 |
| Jeff Doucette | Warren Sterman | Nate | 2 | 1 |
| Kevin Brief | Barry Taylor | Brian, Guy | 1 | 2 |
| Rose Abdoo | Dr. Dawson | Margie | 1 | 2 |
| Kerry Carney | Intern #1, ND Resident | Candystriper | 5 | 1 |
| Alec Medlock | Kid | Kid, Rubinger | 1 | 2 |
| Caroline Aaron | Connie | Nurse Peterson | 1 | 1 |
| Christie Lynn Smith | Cynthia Daniels | Angela | 1 | 2 |
| Danielle Panabaker | Kelsey Simmons | Kathy | 1 | 1 |
| Javier Grajeda | Jeffrey Hernandez | Anesthesiologist, Jack, Man | 1 | 3 |
| Kate Miner | Mindy Wallace | Katie | 1 | 1 |
| Kevin Christy | Brady Sullivan | Attendant, Pizza Man | 1 | 2 |
| Markus Flanagan | Ed Hamilton | Frank | 1 | 1 |
| Marshall Allman | Jeremy West | Dylan | 2 | 1 |
| Peter Breitmayer | Carson Methodist Doctor | Guy | 1 | 1 |
| Reggie Jordan | Reporter #1 | Man, Police Officer | 1 | 2 |
| Scott Haven | Randy Begler | Groom | 1 | 1 |
| Jonny Acker | Delivery Man | Big Senior #1, High School Kid, Ira | 1 | 3 |
| Sara Paxton | Leticia Gregory | Angela Pozefsky | 2 | 1 |
| Wayne Lopez | Paramedic #2 | Jorge | 4 | 1 |
| Dana Davis | Gretchen | Chandra | 1 | 1 |
| Eric Payne | Dan Pollock | Phil | 1 | 3 |
| Eva La Dare | Police Officer #2 | Bystander #1 | 1 | 1 |
| Jack Axelrod | Really Old Man, Charlie Yod | Sheldon | 3 | 1 |
| Jan Hoag | Wheezing Patient | Receptionist | 1 | 1 |
| Joan McMurtrey | Zoey Glass | Mrs. Inkster | 1 | 1 |
| Kurt Fuller | Jerry | Mr. Young | 1 | 1 |
| Lorna Raver | Patient In ER | Big Kathy | 1 | 1 |
| Mark Moses | Dr. Larry Maxwell | Richard | 1 | 1 |
| Sharon Omi | Worried Tenant | Book Club Lady #2 | 1 | 1 |
| Todd Stashwick | Mr. Kramer | Nate | 1 | 1 |
| Tom Simmons | Bob | Mr. Snow | 1 | 1 |
| Wayne Wilderson | Bill Adams | Hotel Clerk | 1 | 1 |
| Beth Grant | Sheila Olsen | Dorene Hooper | 1 | 2 |
| Casey Sander | Casey | Capt. James, Father Murphy | 1 | 2 |
| Michael Shamus Wiles | Dr. Miller | Boyd | 1 | 2 |
| Mitch Silpa | Tim Ruggles | Bartender | 2 | 1 |
| Alison La Placa | Mrs. Nolston | Barbara | 2 | 1 |
| Elyse Mirto | Grace | Hal's Mom | 1 | 1 |
| Hallee Hirsh | Claire | Jessica | 2 | 1 |
| Martin Spanjers | Hunter Chapman | Richard | 1 | 1 |
| Peter MacKenzie | Warren Kramer | Terry | 1 | 1 |
| Robert Alan Beuth | Mr. Gordor | Tom | 1 | 1 |
| Robert Joy | Marty | Danny | 1 | 1 |
| Theo Rossi | Stan Giamatti | Senior | 2 | 1 |
| Vanessa Marano | Holly Wheeler | Gina | 1 | 1 |
| Abigail Mavity | Ariel Williams | Meagan | 1 | 1 |
| Andrew James Allen | Coby McKee | Jerome | 1 | 1 |
| David Burke | Don | Wheeler | 1 | 1 |
| Jack Shearer | Jordan Franklin | Neighbor #1 | 1 | 1 |
| Jeremy Howard | Keith Hitchens | Ethan | 1 | 1 |
| Johanna McKay | Grieving Widow | Carol | 1 | 1 |
| John Balma | Contest Judge | Clerk | 1 | 1 |
| Kevin Will | Len Gantry | Gina's Father | 1 | 1 |
| Mark Chaet | Judge | Doctor | 1 | 1 |
| Maz Jobrani | Dakhir Hamed | Robber #2 | 1 | 1 |
| Michaela Watkins | Nikki Ratlin | Receptionist | 1 | 1 |
| Rebecca Metz | Brenda Lawson | Mother | 1 | 1 |
| Rhomeyn Johnson | Manager | Eddie, Suit #2 | 2 | 2 |
| Sam McMurray | Gus Moser | Off. Stockton | 1 | 1 |
| Scott Klace | Dr. Jordan Wagner | Ned | 1 | 1 |
| Stephen Lee | Mr. Gibson | Speaker #1 | 1 | 1 |
| Stewart Skelton | Dr. Fischer | Agent | 1 | 1 |
| Traber Burns | Andy's Lawyer | Minister | 1 | 1 |
| Annie O'Donnell | Older Woman | Nurse | 1 | 1 |
| Billy Mayo | Rick | Referee | 2 | 1 |
| Dona Hardy | Grace Bickham | Old Lady | 1 | 1 |
| Heather McPhaul | Security Officer | Doris, Trish | 1 | 2 |
| Holmes Osborne | Dr. Kenzie | Mr. Young | 1 | 1 |
| James McCauley | Jeremy Weaver | Burt | 1 | 1 |
| Joel Murray | ICE Agent Martin Fields | Larry | 1 | 1 |
| Judith Moreland | Mrs. Baer | Prosecutor | 1 | 1 |
| Larry Clarke | Paul | Don | 1 | 1 |
| Mary Pat Gleason | Marge Walker | Woman | 1 | 1 |
| Maura Soden | Librarian | Roberta | 1 | 1 |
| Michael Patrick McGill | Bob Corson | Paramedic Dave | 1 | 1 |
| Patrick O'Connor | Judge Finch | Suit #1 | 1 | 1 |
| Rafael J. Noble | Roy Pepper | Phil | 1 | 1 |
| Sara Van Horn | Nash's Grandma | Richie's Mom | 1 | 1 |
| Randy Thompson | Frank Waring | Cop, Officer | 1 | 2 |
| Barbara Brownell | Hattie Straughn | Debbie | 1 | 1 |
| Blue Deckert | Frank | Earl | 1 | 1 |
| Cathrine Grace | Trial Patient #6 | Lady | 1 | 1 |
| Charles Emmett | Mr. Bosson | Worker | 1 | 1 |
| Don McManus | Samuel Linden | Charles Cutler | 1 | 1 |
| Jasmine Di Angelo | Kelley Hanson | Brittany | 1 | 1 |
| Kevin Dunigan | SWAT Guy | Male Guest | 1 | 1 |
| Lawrence Mandley | Chester Jones | Security Guard | 1 | 1 |
| Michael Canavan | Lawyer | Priest | 1 | 1 |
| Michael Merton | Dexter | Joey | 1 | 1 |
| Regi Davis | Dr. Kevin Fisher | Husband | 2 | 1 |
| Joe Camareno | Lucas Marshall | Gordon | 1 | 1 |
| John Lacy | Zack | Spectator | 1 | 1 |
| Karl T. Wright | Divorce Mediator | Mark | 1 | 1 |
| Maggie Egan | Lynn | Mrs. Abbott | 1 | 1 |
| Marc Vann | Hematologist | Mr. Pinter | 1 | 1 |
| Mark L. Taylor | Dave Buckley | Phil | 1 | 1 |
| Mary Wickliffe | Annie Banks | Fran | 1 | 1 |
| Miriam Flynn | Ms. Bitzer | Cooking Teacher | 1 | 1 |
| Paul Hayes | Old Man Carl | Jury Foreman | 1 | 1 |
| Carol Mansell | Veronica | Customer #2 | 1 | 1 |
| David Grant Wright | Mr. Burton | Officer #1 | 1 | 1 |
| Frankie Ingrassia | Tyler's Mom | Becky | 1 | 1 |
| Larry Weissman | Psych Patient #1 | Waiter | 1 | 1 |
| Matt Crabtree | IDC Dude | Sam | 1 | 1 |
| Sheila Shaw | Michelle Begler | Student #1 | 1 | 1 |
| Ursula Whittaker | Angry Attending #1 | Dream Woman | 1 | 1 |
| Ginny McMath | Irene | Customer | 1 | 1 |
| Kareem Grimes | Steve | Private Carter | 1 | 1 |
| Rocky McMurray | Hunter | Zeke | 1 | 1 |
| Carlease Burke | Mrs. Gates | Janice | 1 | 1 |
| Jim Grollman | Bus Driver | Audience Member #2 | 1 | 1 |
| Michael Milhoan | Doug Thomas | Sgt. McManus | 1 | 1 |
| Sally Ann Brooks | Marie Lamott | Seth's Mom | 1 | 1 |
| Terry Woodberry | Police Officer | Bill | 1 | 1 |
| Wesley Thompson | Therapist | Mr. Jones | 1 | 1 |
| Yolanda Snowball | Physical Therapist | Woman | 1 | 1 |
| Scarlett Lam | Ahn | Jeanie | 1 | 1 |
← Grey's Anatomy × Malcolm in the Middle
Cast data from TVmaze, licensed CC BY-SA 4.0.