All 127 actors in both Grey's Anatomy and Southland
127 actors have appeared in both Grey's Anatomy and Southland, across 510 episodes. The most-credited is Emily Bergl, Trisha in Grey's Anatomy and Tammi Bryant in Southland.
| Actor | In Grey's Anatomy | In Southland | Eps | Eps |
|---|---|---|---|---|
| Emily Bergl | Trisha | Tammi Bryant | 1 | 15 |
| Gloria Garayua | Dr. Graciella Guzman | Reya Suarez | 24 | 1 |
| Joe Williamson | Dr. Pierce Halley | Deputy Cox | 22 | 1 |
| Lex Medlin | Byron Gibbis | Detective Andy Williams | 1 | 9 |
| L. Scott Caldwell | Allison Cobb | Enid Adams | 1 | 7 |
| Nora Zehetner | Dr. Reed Adamson | Lila Greenberg | 10 | 1 |
| Patrick Fischler | Jake Steiner | Detective Kenny 'No-Gun' | 1 | 8 |
| Carl Lumbly | Kurt Walling | Captain Joel Rucker | 1 | 3 |
| Jeremy Rabb | Resident, ER Doctor | Attorney | 11 | 1 |
| Julie Dretzin | Carmen Hall | Doctor | 1 | 1 |
| Marla Gibbs | Joyce Ward | Ms. Miller | 4 | 1 |
| Lesley Fera | Ann | Sgt. Waters | 1 | 4 |
| Lisa Vidal | Dr. Alma Ortiz | Mia Sanchez | 3 | 3 |
| Dave Shalansky | Jeremy | Lucky Barnes | 2 | 1 |
| Michael Hyatt | Mariann Davidson | Renee McBride | 1 | 1 |
| Hilda Boulware | Ante Ndugu | Mrs. Hackett (Old Woman) | 3 | 1 |
| John Billingsley | Jacob Nolston | Man with Dog | 2 | 1 |
| Lindsey Kraft | Lisa Campbell | Daisy Milliard | 1 | 2 |
| Christopher Carrington | Sam Kenton | Parsons | 1 | 1 |
| Dohn Norwood | Lou | Dede Crawford | 1 | 1 |
| Heaven White | Zola Grey Shepherd | 4 Year Old Girl | 1 | 1 |
| Lisseth Chavez | Kate Endris | Carmen Martinez | 1 | 1 |
| Lori Alan | Ellen Weaver | D.A. Deborah Janowitz | 1 | 3 |
| Rebeka Montoya | Marisela | Mariella Moretta | 1 | 1 |
| Audrey Wasilewski | Nicole Waldman | Doctor | 1 | 2 |
| Drew Powell | Carl Shatler | Officer Merkel | 1 | 2 |
| F.J. Rio | Jorge Cruz | Detective Larry Schuman | 1 | 2 |
| Marty Ryan | Zach Mischer | Watch Commander Sergeant Wallace | 1 | 4 |
| Brit Morgan | Erica Marsh | Natasha | 1 | 1 |
| Claudia De Vasco | Nurse | Adele | 1 | 1 |
| Debra Christofferson | Elaine | Melanie | 1 | 1 |
| Kelly Wolf | Carly Height | Cheryl Hanson | 2 | 1 |
| Lee Garlington | Farah Linden | Cathleen Kerik | 1 | 2 |
| LisaGay Hamilton | Dr. Connie Ryan | Melanie | 2 | 1 |
| Yvette Saunders | Dr. Collier | Officer Mailer | 1 | 2 |
| Desean Terry | Colin Cooke | Eddie | 1 | 2 |
| Joe Nieves | Michael Baker | Fischer | 1 | 2 |
| Wayne Lopez | Paramedic #2 | Jerry Bicks | 4 | 1 |
| Antonio D. Charity | Michael Nelson | Charlie | 1 | 1 |
| Bess Rous | Nina Sullivan | Christie | 1 | 1 |
| Drew Rausch | John Finch | Cesar | 1 | 1 |
| Ellen Wroe | Mrs. Green | Cathy | 1 | 1 |
| Emil Beheshti | Man with Plaid Bow Tie | Camera Salesman | 1 | 1 |
| Kathleen Mary Carthy | Mrs. Miller | Angry Woman | 1 | 1 |
| Michael Beach | Mr. Baker | Detective Williams | 1 | 1 |
| Rebecca Metz | Brenda Lawson | Shannon Walsh | 1 | 1 |
| Scott Michael Campbell | Mr. Hubble | Mr. Davis | 1 | 1 |
| Suzanne Cryer | Caroline Klein | Mrs. Davis | 1 | 1 |
| Tim Chiou | Paramedic #6 | Responding Officer | 3 | 1 |
| Bruce Beatty | Jerry Hoffman | McCabe | 2 | 1 |
| Carla Vila | Angela | Coleman, Yvette | 1 | 2 |
| John Duerler | Grant | Sheriff Abel | 2 | 1 |
| Tiffany Boone | Jaelyn Donovan | Crystal | 1 | 2 |
| Giselle Bonilla | Sarah Maurer | Rosie Montoya | 1 | 1 |
| Jos Viramontes | David Martinez | Martin Del Toro | 2 | 1 |
| Keong Sim | Dr. Park | Jason | 1 | 1 |
| Michael Patrick McGill | Bob Corson | M.C. | 1 | 1 |
| Monica Garcia | Peds Nurse | Stephanie Oliver | 1 | 2 |
| Noel Arthur | Deputy Fire Chief | Paramedic #2 | 2 | 1 |
| Albie Selznick | Columbia Representative | Deputy D.A. Charles Atherton | 1 | 1 |
| Brett Rickaby | Mr. Weston | Dad | 1 | 1 |
| Daniel Steven Gonzalez | Paramedic Garza | Driver (Ramos) | 1 | 1 |
| JoNell Kennedy | Duda Kyat | Danell | 1 | 1 |
| Raymond Cruz | Daniel Jiménez | Rafael Garces | 1 | 1 |
| Rubén Garfias | Bob | Mr. Ochello | 1 | 1 |
| Shelli Boone | Paula Glass | Girl Two | 1 | 1 |
| Skyler Day | Emery James | Lauren Ryerson | 1 | 1 |
| Stephanie Czajkowski | Firefighter Carroll | Paramedic | 1 | 1 |
| Betsy Baker | Barb | Middle Aged Woman | 1 | 1 |
| J. Rene Pena | Female Driver | Nurse Patchen | 1 | 1 |
| Jill Remez | April's Examiner | Nurse | 1 | 1 |
| Maria Russell | Guard #2 | Vasquez | 1 | 1 |
| Angelo Tiffe | Trey Boyd | Mike's Dad | 1 | 1 |
| Barry Livingston | Wayne Sheehan | Banker | 1 | 1 |
| Lea Coco | John | Richard | 1 | 1 |
| Rich Ceraulo Ko | Brian | Galvis | 1 | 1 |
| Ron Roggé | Fire Captain | Cop | 1 | 1 |
| Chet Grissom | Uncle Pat | Sgt. Johnston | 1 | 1 |
| Dale Dickey | Emily "Gasoline" Bennett | Maureen | 1 | 1 |
| Gary Kraus | Louis Cardon | Sheriff Carter | 1 | 1 |
| Harrison Knight | Andrew Willis | Boy | 1 | 1 |
| Kathryn Taylor Smith | Nurse Caroline | Brenda | 1 | 1 |
| Maria McCann | Renee | Mallory | 1 | 1 |
| Richard Cox | Marvin | David Milliard | 1 | 1 |
| Sharon Omi | Worried Tenant | Nurse | 1 | 1 |
| Charles Carpenter | Party Guy #1 | Clark | 1 | 1 |
| Elizabeth Anweis | Brie | Jongchit | 1 | 1 |
| Jamai Fisher | Charissa | Shamika Cole | 1 | 1 |
| James Moses Black | Duncan | Narc #1 | 1 | 1 |
| Jesse Mackey | Guard #4 | Andy Pettit | 1 | 1 |
| Nichelle Hines | Young Woman | Girl Driving Bentley | 1 | 1 |
| Shelley Robertson | Arlene Travis | Maya | 1 | 1 |
| Sonia Jackson | Patient #1 | Adrienne (Football Mom) | 1 | 1 |
| Tim De Zarn | Santa Claus | Father Greg Carmichael | 1 | 1 |
| Tom Choi | Flouroscope Tech | Captain Bill Choi | 1 | 1 |
| Alex Stamm | Josh Shelton | Dylan | 1 | 1 |
| Garon Grigsby | Keith | Booking Officer | 2 | 1 |
| Jarrod Crawford | Dr. Oslow | Officer Dollard | 1 | 1 |
| Shannon Welles | Babs Martin | Ms. Coker | 1 | 1 |
| Steve Hasley | Aaron Marshall | Edwin | 1 | 1 |
| Giselle Jones | Jessie Kates | Kendra | 1 | 1 |
| Kirk Bovill | Brian Turner | Crazy Man | 1 | 1 |
| Pamela Shaddock | Shara Freeman | Ms. Trish Hoffman | 1 | 1 |
| Ren Hanami | Mrs. Chen | Nurse | 1 | 1 |
| Soledad St. Hilaire | Lola | Mrs. Montoya | 1 | 1 |
| Andre Ware | Dr. Evett | Douglas Sterling | 1 | 1 |
| Johanna McKay | Grieving Widow | Detective Rhodes | 1 | 1 |
| P.D. Mani | Anesthesiologist | Amit | 1 | 1 |
| Rusty Burns | Reporter #2 | Female Bailiff | 1 | 1 |
| Terry Woodberry | Police Officer | Man | 1 | 1 |
| Amanda Payton | Dr. Daphne Lopez | Young Woman | 1 | 1 |
| Elayn J. Taylor | Loretta | Parole Board Member | 1 | 1 |
| Jim Grollman | Bus Driver | White Guy | 1 | 1 |
| Nicole J. Butler | Jess | Clerk | 1 | 1 |
| Sloan Robinson | Tabitha | Black Woman | 1 | 1 |
| Jeris Lee Poindexter | Mr. Strickland | Mr. Tillman | 1 | 1 |
| Paul Norwood | Scared Guy #2 | Priest | 1 | 1 |
| Rocky McMurray | Hunter | Rehab Director | 1 | 1 |
| Vincent Angelo | Allan | Customer | 1 | 1 |
| Chase Kim | Lawyer | Officer | 1 | 1 |
| Darren Dupree Washington | Reporter | Lewicki | 1 | 1 |
| Nelson Mashita | Dr. Bennit Epstein | SID Investigator | 1 | 1 |
| Raff Anoushian | Cabbie | Arsham | 1 | 1 |
| Michael Hagiwara | Charles Hyatt | Shige | 1 | 1 |
| Raymond Forchion | Minister | Carter (Coach) | 1 | 1 |
| Ludwig Manukian | Bus Driver | Landlord | 1 | 1 |
| Mike Holley | Leon | Murphy | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.