All 60 actors in both Grey's Anatomy and The O.C.
60 actors have appeared in both Grey's Anatomy and The O.C., across 559 episodes. The most-credited is Chris Carmack, Dr. Atticus "Link" Lincoln in Grey's Anatomy and Luke Ward in The O.C..
| Actor | In Grey's Anatomy | In The O.C. | Eps | Eps |
|---|---|---|---|---|
| Chris Carmack | Dr. Atticus "Link" Lincoln | Luke Ward | 20 | 2 |
| Jeffrey Dean Morgan | Denny Duquette | Joe Zukowsky | 20 | 1 |
| Samaire Armstrong | Claire Nolan | Anna Stern | 1 | 15 |
| Shannon Lucio | Amanda | Lindsay Gardner | 3 | 12 |
| Navi Rawat | Heidi | Theresa Diaz | 1 | 13 |
| Marguerite Moreau | Dr. Emma Marling | Reed Carlson | 6 | 4 |
| Kathleen M. Darcy | Anesthesiologist | Nurse | 10 | 1 |
| Brandon Quinn | Leo | Spencer Bullit | 1 | 6 |
| Nicholas Gonzalez | Clark West | D.J. | 1 | 6 |
| Rosalind Chao | Kathleen Patterson | Dr. Kim | 1 | 6 |
| José Zúñiga | Anthony Meloy | Jason Spitz | 1 | 3 |
| Phil Abrams | Dr. Jim Nelson | Mr. Sheeran | 3 | 1 |
| Danielle Bisutti | Liz Langer | Joan | 1 | 5 |
| Cathy Lind Hayes | Nurse Debbie | Teacher | 6 | 1 |
| Craig Susser | Dr. Hurst | Ham Guy/Santa/Journalist/Caterer, Cop | 1 | 5 |
| Dana Davis | Gretchen | Madison | 1 | 2 |
| Michelle Ongkingco | Nicole Verma | Amber | 1 | 2 |
| Alison La Placa | Mrs. Nolston | Dr. James | 2 | 1 |
| Kevin Rankin | Jack Vaughan | Lucas | 2 | 1 |
| Robert Picardo | Mr. Nelligan | Bill Merriam | 2 | 1 |
| T.J. Thyne | Aaron Morris | Larry Bernstein | 2 | 1 |
| Bre Blair | Lauren Pailey | Carrie Spitz | 1 | 1 |
| Jack Merrill | Lab Tech | Workman | 2 | 1 |
| Chase Kim | Lawyer | Seung Ho | 1 | 3 |
| Antonio Leon | Detective Mitch Proust | Man/Cop | 1 | 1 |
| Don R. Williams | Andrew 'Andy' Billings | Conductor | 1 | 1 |
| Nancy Linari | Sophie's Daughter | Landlord | 1 | 1 |
| Rodney Rowland | Brian | Jack Harper | 1 | 1 |
| Samantha Quan | Shelly Boden | Receptionist | 1 | 1 |
| David Paluck | Surgeon #2 | Cop, Inspector | 2 | 2 |
| Elayn J. Taylor | Loretta | Dr. Harris | 1 | 2 |
| Andrew Thacher | Sean | Jail Cop | 1 | 1 |
| April Grace | Greta's Sister | Dr. Burke | 1 | 1 |
| Kathleen Mary Carthy | Mrs. Miller | Dr. Snow | 1 | 1 |
| Max Burkholder | Duncan Pailey | Kid In Airport | 1 | 1 |
| Michael Reilly Burke | Mr. Finch | Tom Wellington | 1 | 1 |
| Ricardo Molina | ID Resident Amir | ER Doctor, Orderly | 1 | 2 |
| Rigo Sanchez | Stan the Paramedic | EMT | 2 | 1 |
| Alain Uy | Captain Pat Aquino | Miguel | 1 | 1 |
| Bruce Katzman | Wayne Sheehan | Dr. Stephen Lasser | 1 | 1 |
| Gary Hershberger | Doug | Tom McGinty | 2 | 1 |
| Gina Gallego | Lucia Torres | Eva Diaz | 1 | 1 |
| Henry Kingi, Jr | Private #2 | Eddie's Friend | 1 | 1 |
| Julia Ling | Emma | Lucy | 1 | 1 |
| Matt Crabtree | IDC Dude | Scientist | 1 | 1 |
| Sterling Jones | Peter Martin | Cool Rock Guy | 1 | 1 |
| Gwendoline Yeo | Michelle Carpio | Amy | 1 | 1 |
| Michael Mantell | Tim Nolan | Jim Mercer | 1 | 1 |
| Steven M. Gagnon | Mr. Lepik | Arson Investigator | 1 | 1 |
| Susane Lee | Beth Dearborn | Korean Girl #2 | 1 | 1 |
| Marc Vann | Hematologist | Detective Warner | 1 | 1 |
| Rob Brownstein | Larry | Kurt Williams | 1 | 1 |
| Stephon Fuller | Gregor | Photographer | 1 | 1 |
| Graham Sibley | Noah | Hipster Guy | 1 | 1 |
| Jeff Holman | Mr. Felker | Trucker | 1 | 1 |
| Stacy Barnhisel | Gretchen | Newpsie | 1 | 1 |
| Stacey Hinnen | Mr. Johnson | Gruff Bondsman | 1 | 1 |
| Tom Ohmer | Ronald Meinero | Cop | 1 | 1 |
| Paull Walia | Dr. Kan Mattoo | Messenger | 1 | 1 |
| Brian Durkin | Stuart Cole | Cody | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.