All 85 actors in both Dexter and Grey's Anatomy
85 actors have appeared in both Dexter and Grey's Anatomy, across 563 episodes. The most-credited is David Ramsey, Anton Briggs in Dexter and Jimmy Thompson in Grey's Anatomy.
| Actor | In Dexter | In Grey's Anatomy | Eps | Eps |
|---|---|---|---|---|
| David Ramsey | Anton Briggs | Jimmy Thompson | 12 | 1 |
| Courtney Ford | Christine Hill | Jill Meyer | 11 | 1 |
| Winston Story | Messenger | Dr. Leo Byrider | 1 | 20 |
| Devon Graye | Teenage Dexter | Brady Hauser | 9 | 1 |
| Valerie Cruz | Sylvia Prado | Zona Cruz | 6 | 1 |
| Mark Pellegrino | Paul Bennett | Chris | 7 | 1 |
| Rick Peters | Elliot Larson | Sean Greene | 7 | 1 |
| Rya Kihlstedt | Dr. Michelle Ross | Claire | 7 | 1 |
| Bethany Joy Lenz | Cassie Jollenston | Jenny | 4 | 2 |
| Vanessa Marano | Rebecca Mitchell | Holly Wheeler | 5 | 1 |
| Raphael Sbarge | Jim McCourt | Paul | 3 | 2 |
| Joseph Lyle Taylor | Sgt. McKay | Weiss | 1 | 1 |
| Michael Hyatt | Pre-school Admissions Director | Mariann Davidson | 1 | 1 |
| Vanessa Bell Calloway | Crisis Counselor | Lucinda Gamble | 1 | 2 |
| Katherine Kirkpatrick | Laura Moser, Woman | Carolyn Adkins | 3 | 1 |
| Scott Michael Morgan | Sussman | Patient #2 | 3 | 1 |
| Eric Ladin | Dr. Turner | Victor Brown | 1 | 1 |
| Jack Axelrod | Nelson | Really Old Man, Charlie Yod | 1 | 3 |
| Liza Lapira | Yuki Amado | Noel Lavatte | 1 | 1 |
| Elizabeth Tobias | Sister Daniels | Boise Chief | 2 | 1 |
| Geoffrey Rivas | Handyman, Jorge Castillo | Stu Vargas | 2 | 1 |
| Suzanne Cryer | Tarla Grant | Caroline Klein | 2 | 1 |
| Brett Rickaby | Inspector Phil Bosso | Mr. Weston | 2 | 1 |
| Bubba Lewis | Tyler Barnes | Kendrick Nystrom | 1 | 1 |
| David Carey Foster | Doctor | Jackson's Lawyer | 1 | 1 |
| David Haley | Security Guard | Paramedic #2 | 1 | 4 |
| Matthew Fahey | Jesse | Greg Bevell | 1 | 1 |
| Miguel Nájera | Medical Examiner | Janitor | 1 | 2 |
| Richard Augustine | Mechanic | Carlos McAdams | 1 | 1 |
| Skye P. Marshall | Receptionist | Mary Hodges | 1 | 1 |
| Angela Alvarado | Nina | Marcella Diaz | 2 | 1 |
| Monica Sanchez | Clerk | Holly Sanborn | 2 | 1 |
| Wayne Lopez | Juan Alonso | Paramedic #2 | 1 | 4 |
| Amy Pietz | Dr. Kruper | Shelby Lewis | 1 | 1 |
| Burl Moseley | Lab Tech | Jason Cooper | 1 | 1 |
| Leslie Grossman | Laura Mendell | Lauren Hammer | 1 | 1 |
| Lisa Kaminir | Prosecutor | Doris Friedman | 1 | 1 |
| Savannah Paige Rae | Young Debra | Winnie | 1 | 1 |
| Scott Michael Campbell | Norm | Mr. Hubble | 1 | 1 |
| Andrew Bilgore | Alan | Tim Epstein | 1 | 1 |
| David Chisum | Kevin Wyman | Judge Jeffrey King | 1 | 1 |
| Jayden Lund | Supervisor | Hulking Patient | 1 | 1 |
| José Zúñiga | Jorge Castillo | Anthony Meloy | 1 | 1 |
| Michael Patrick McGill | Troy | Bob Corson | 1 | 1 |
| Stewart Skelton | Matthew Braun | Dr. Fischer | 1 | 1 |
| Wil Traval | Tony Rush | Dr. David Beckman | 1 | 1 |
| Aaron Refvem | Boy | Jackson Prescott | 1 | 3 |
| Brian Scolaro | Lab Tech Assistant #1 | Mike | 1 | 1 |
| Don McManus | Roger Hicks | Samuel Linden | 1 | 1 |
| Julie Warner | Lori Randall | Mrs. Lanz | 1 | 1 |
| Kelli Kirkland Powers | Jess | Claire | 1 | 2 |
| Adrienne Barbeau | Confidential Informant | Jodie Crawley | 1 | 1 |
| Beth Grant | Donna Randall | Sheila Olsen | 1 | 1 |
| Brian Oblak | TSA Agent #1 | Daniel Rudin | 1 | 1 |
| Daya Vaidya | FBI Guy 2 | Paola Bright | 1 | 1 |
| Fareed Ward | Barnes | Captain Bruno | 1 | 1 |
| George Gerdes | Landlord | Norman Sholman | 1 | 1 |
| Jim Metzler | Special Agent Davis | Priest | 1 | 1 |
| Josh Daugherty | Morgue Attendant | Ken Daniels | 1 | 1 |
| Mark Atteberry | Attorney | Brian Williams | 1 | 1 |
| Wilmer Calderon | Teo | Raul Aranda | 1 | 1 |
| Bryce Robinson | Kid | Timothy Ward | 1 | 1 |
| Dennis Depew | Church Goer #1 | Intern | 1 | 1 |
| Marty Ryan | Rental Agent | Zach Mischer | 1 | 1 |
| Ron Roggé | Blue-Collar Guy | Fire Captain | 1 | 1 |
| Charles Carpenter | Reporter | Party Guy #1 | 1 | 1 |
| Cory Blevins | Uniform Cop | Surgeon #2 | 1 | 1 |
| David Vegh | Detective Linker | Tony Savitch | 1 | 1 |
| Gary Kraus | Sheriff Burns | Louis Cardon | 1 | 1 |
| Kelley Hazen | Lawyer | Mrs. Mercer | 1 | 1 |
| Kevin Brief | Boat Buyer | Barry Taylor | 1 | 1 |
| Tim Maculan | Blood Analyst | Luke | 1 | 1 |
| Fred Ochs | Judge Belford | Mr. Kaplan | 1 | 1 |
| Mike Kersey | Volunteer | Sales Clerk | 1 | 1 |
| Nick Jaine | Lead Forensics Tech | Tim | 1 | 1 |
| Yolanda Snowball | Teacher | Physical Therapist | 1 | 1 |
| Anzu Lawson | Nurse | Executive Three | 1 | 1 |
| Carlease Burke | Assistant | Mrs. Gates | 1 | 1 |
| Darryl Sivad | Minister | Justice of the Peace | 1 | 1 |
| Julie Lancaster | Agent Hubbard | Dina | 1 | 1 |
| Ludwig Manukian | Alex | Bus Driver | 1 | 1 |
| Wendy Haines | Nurse | Nurse | 1 | 1 |
| Heather McPhaul | Woman | Security Officer | 1 | 1 |
| Terry Woodberry | Tech | Police Officer | 1 | 1 |
| Sheila Shaw | Connie | Michelle Begler | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.