Grey's Anatomy Cast (2005–Present)
ABC | Medical Drama | 20+ Seasons | Created by Shonda Rhimes
Grey's Anatomy follows the surgical residents, fellows, and attending physicians at the fictional Grey Sloan Memorial Hospital in Seattle, Washington. The show centers on Dr. Meredith Grey, daughter of a renowned surgeon, as she navigates her career, relationships, and personal growth through the demands of surgical medicine. Since its premiere on March 27, 2005, the series has become one of the most enduring primetime dramas in American television, blending high-stakes medical cases with deeply personal character arcs. Created by Shonda Rhimes, the show has launched the careers of multiple prominent actors and set a new standard for ensemble medical storytelling.
The Grey's Anatomy cast has evolved dramatically over more than two decades, cycling through dozens of major characters while keeping a core group of performers at its center. Ellen Pompeo anchors the series as the titular Meredith Grey, supported by longtime cast members Chandra Wilson and James Pickens Jr., who have appeared in every season since the pilot. The show is equally celebrated for the actors who passed through its halls — Patrick Dempsey, Sandra Oh, and Katherine Heigl all became household names through their time on the series, and the Grey's Anatomy cast remains one of the most-discussed ensemble groups in modern television history.
Main Cast
Ellen Pompeo
Dr. Meredith Grey
The lead protagonist, a surgical resident who rises through the ranks at Grey Sloan Memorial Hospital; Pompeo has been the face of the series across all seasons.
Chandra Wilson
Dr. Miranda Bailey
Demanding yet deeply caring attending surgeon who eventually becomes Chief of Surgery; one of the most beloved characters in the show's history.
James Pickens Jr.
Dr. Richard Webber
Long-serving Chief of Surgery and mentor figure, whose personal struggles with alcoholism and professional dilemmas form a major thread across the series.
Kevin McKidd
Dr. Owen Hunt
A decorated military trauma surgeon who joins the hospital as Head of Trauma Surgery; his relationships with Cristina Yang and Teddy Altman are central storylines.
Caterina Scorsone
Dr. Amelia Shepherd
Neurosurgeon and younger sister of Derek Shepherd who joins the main cast after her introduction on the spin-off Private Practice; known for her complex recovery storyline.
Camilla Luddington
Dr. Jo Wilson
A surgical resident who eventually becomes an attending, with a storyline exploring her difficult past and her marriage to Alex Karev.
Kim Raver
Dr. Teddy Altman
A cardiothoracic surgeon and Owen Hunt's long-time friend and love interest, who became a recurring and eventually series regular character.
Patrick Dempsey
Dr. Derek Shepherd
Brilliant neurosurgeon and Meredith's great love, nicknamed "McDreamy"; a main cast member from seasons 1–11 before his character's death.
Sandra Oh
Dr. Cristina Yang
Meredith's best friend and a fiercely competitive cardiothoracic surgeon; Oh was a series regular through season 10, earning multiple Emmy and Golden Globe nominations for the role.
Jesse Williams
Dr. Jackson Avery
Plastic surgeon from a prominent medical family; a series regular for many seasons before departing in season 17.
Justin Chambers
Dr. Alex Karev
Originally one of the intern class, Alex grew into one of the most developed characters over 16 seasons; Chambers departed the series in early 2020.
Supporting & Recurring Cast
| Actor | Character | Role | Notes |
|---|---|---|---|
| Katherine Heigl | Dr. Izzie Stevens | Surgical intern/resident with a background as a model; known for her emotional storylines and compassionate approach to patients | Seasons 1–6 |
| T.R. Knight | Dr. George O'Malley | Warm-hearted intern who struggled with confidence but proved his dedication repeatedly; central to early seasons | Seasons 1–5 |
| Sarah Drew | Dr. April Kepner | A passionate trauma surgeon whose faith and personal life intersected frequently with her medical career | Seasons 7–14, Season 17 |
| Isaiah Washington | Dr. Preston Burke | Chief of Cardiothoracic Surgery and Cristina Yang's early love interest; departed in season 3 | Seasons 1–3 |
| Eric Dane | Dr. Mark Sloan | Plastic surgeon and best friend of Derek Shepherd, known as "McSteamy"; a fan favourite through season 9 | Seasons 3–9 |
| Chyler Leigh | Dr. Lexie Grey | Meredith's half-sister and a gifted surgical resident; her death in the season 8 finale was one of the show's most emotional moments | Seasons 4–8 |
| Patrick Fabian | Various | Guest appearances across multiple arcs | Recurring |
| Giacomo Gianniotti | Dr. Andrew DeLuca | Italian surgical resident whose complicated relationship with Meredith and his own mental health became key storylines in later seasons | Seasons 12–17 |
| Cormac McDaid (Richard Flood) | Dr. Cormac Hayes | Irish paediatric surgeon introduced in season 16 as a new love interest for Meredith | Seasons 16–19 |
| Kate Walsh | Dr. Addison Montgomery | Neonatal and OB-GYN specialist and Derek's ex-wife; a series regular in early seasons before leading the spin-off Private Practice | Seasons 1–3, recurring later |
| Jerrika Hinton | Dr. Stephanie Edwards | Surgical resident who joined in season 9 and departed in season 13 after a dramatic hospital fire storyline | Seasons 9–13 |
| Gaius Charles | Dr. Shane Ross | Surgical intern introduced in season 9 who departed alongside Cristina Yang in season 10 | Seasons 9–10 |
Creators & Production
Shonda Rhimes
Creator and original showrunner; Rhimes developed Grey's Anatomy as an exploration of how young doctors learn to navigate both professional and personal crises. She also created Scandal and How to Get Away with Murder.
Krista Vernoff
Showrunner (various seasons including season 14 onward); Vernoff had previously been a writer and co-executive producer on the show before returning to lead it.
Betsy Beers
Executive producer and longtime collaborator of Shonda Rhimes through ShondaLand Productions.
Mark Gordon
Executive producer in the series' early seasons; Mark Gordon Company co-produced the show alongside ShondaLand and ABC Studios.
Rob Corn
Longtime director and executive producer who helmed numerous pivotal episodes across many seasons of the show.
ABC Studios / ShondaLand
Production companies responsible for the series; ShondaLand produces Grey's Anatomy in association with ABC Signature Studios for the ABC broadcast network.
About the Grey's Anatomy Cast
Grey's Anatomy has one of the most remarkable casting histories in American primetime television. The original class of surgical interns — Ellen Pompeo, Sandra Oh, Katherine Heigl, T.R. Knight, and Justin Chambers — formed the emotional core of the show's early seasons, and their chemistry drove its rapid rise to become one of the highest-rated dramas on American television. Of that original group, only Pompeo remained a series regular deep into the show's run. Sandra Oh's departure after season 10 was widely covered as a cultural moment, and both she and Heigl went on to prominent film and television careers. The revolving nature of the cast has long been one of the show's narrative engines: new residents arrive, senior characters depart, and the hospital community is constantly renewed.
What makes the Grey's Anatomy cast particularly notable is the sustained presence of Chandra Wilson and James Pickens Jr., who have appeared in every season without interruption. Wilson's Dr. Miranda Bailey — originally conceived as the group's exacting drill-sergeant mentor — became one of the most multidimensional characters on the show, and Wilson has received Emmy recognition for the role. Patrick Dempsey's Derek Shepherd was one of the most popular romantic leads in network television history, and his exit in season 11 remains one of the most-discussed character departures in contemporary TV drama. The later seasons introduced fresh talent such as Caterina Scorsone and Camilla Luddington, both of whom became essential anchors of the current ensemble.
Frequently Asked Questions
Who stars in Grey's Anatomy?
Grey's Anatomy stars Ellen Pompeo as Dr. Meredith Grey, alongside long-running cast members Chandra Wilson (Dr. Miranda Bailey) and James Pickens Jr. (Dr. Richard Webber). Other key cast members across the series include Kevin McKidd, Caterina Scorsone, Camilla Luddington, and Kim Raver.
Who plays Meredith Grey in Grey's Anatomy?
Ellen Pompeo plays Dr. Meredith Grey, the central character of the series. Pompeo has headlined the show since its premiere in 2005, making her one of the longest-serving lead actors in a primetime medical drama.
How many seasons of Grey's Anatomy are there?
Grey's Anatomy has aired more than 20 seasons on ABC since its debut in March 2005, making it one of the longest-running primetime medical dramas in American television history. The show was renewed for additional seasons beyond season 20.
Who created Grey's Anatomy?
Grey's Anatomy was created by Shonda Rhimes and is produced by her company ShondaLand in association with ABC Studios. Rhimes drew on her experiences researching the medical world to craft the show's distinctive blend of surgery and interpersonal drama.
Did Patrick Dempsey leave Grey's Anatomy?
Yes. Patrick Dempsey, who played Dr. Derek Shepherd (known as "McDreamy"), departed the series in season 11 when his character was killed in a car accident. He made a brief return appearance in season 17 during a dream sequence.
How we build these cast lists
For background on how Cast.biz compiles and orders cast credits, see understanding billing order, how TV show casts are built, and our glossary of cast credits.