Which ‘Grey’s Anatomy’ Season Boasted the Oldest Cast, on Average?

Grey's Anatomy

Which ‘Grey’s Anatomy’ Season Boasted the Oldest Cast, on Average?

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Which ‘Grey’s Anatomy’ Season Boasted the Oldest Cast, on Average?

They were fresh-faced stars when Grey’s Anatomy premiered, but the actors behind the first group of surgical interns — just Ellen Pompeo and Justin Chambers at this point — are now pushing 50.

Grey’s has added 20-something cast members over the years, but in which season was the cast youngest as a whole? And in which were the stars oldest? Prepared to be surprised by the ranking in the slideshow above…

Grey’s Anatomy Season 14 premieres on Thursday, September 28, at 8 p.m. ET on ABC.

Which ‘Grey’s Anatomy’ Season Boasted the Oldest Cast, on Average?
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13. Season 4 (Average age: 36.20)

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13. Season 4 (Average age: 36.20)

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The addition of 25-year-old Chyler Leigh as Lexie Grey brought the average way down!

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12. Season 1 (Average age: 36.29)

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12. Season 1 (Average age: 36.29)

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Fun fact: Chandra Wilson played Ellen Pompeo and Justin Chambers’s superior, but she’s only a year older than them.

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11. Season 5 (Average age: 37.00)

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11. Season 5 (Average age: 37.00)

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Kevin McKidd was just 35 when he started playing Owen Hunt this year.

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10. Season 3 (Average age: 37.10)

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10. Season 3 (Average age: 37.10)

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This marked the last season for then-39-year-old Kate Walsh (a.k.a. Addison Montgomery) and then-43-year-old Isaiah Washington (a.k.a. Preston Burke).

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9. Season 2 (Average age: 37.38)

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9. Season 2 (Average age: 37.38)

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The addition of Kate Walsh goosed the average up just a little!

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8. Season 6 (Average age: 37.54)

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8. Season 6 (Average age: 37.54)

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This season was the first for 33-year-old Jessica Capshaw (a.k.a. Arizona Robbins) and 40-year-old Kim Raver (a.k.a. Teddy Altman).

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7. Season 7 (Average age: 37.58)

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7. Season 7 (Average age: 37.58)

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29-year-olds Sarah Drew and Jesse Williams joined the show full-time this season — as April Kepner and Jackson Avery, respectively — keeping the average age almost constant as the other cast members got a year older.

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6. Season 10 (Average age: 37.6)

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6. Season 10 (Average age: 37.6)

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The show got a dose of young blood this season, with an intern class played by newly-minted cast members Camilla Luddington, Jerrika Hinton, Gaius Charles, and Tessa Ferrer.

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5. Season 8 (Average age: 38.58)

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5. Season 8 (Average age: 38.58)

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This was the year we bid farewell to Kim Raver and Chyler Leigh.

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4. Season 12 (Average age: 38.60)

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4. Season 12 (Average age: 38.60)

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Then 26-year-old Giacomo Gianniotti (a.k.a. Andrew DeLuca) lowered the average this season, while 40-year-old Martin Henderson (a.k.a. Nathan Riggs) raised it.

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3. Season 11 (Average age: 39.00)

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3. Season 11 (Average age: 39.00)

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Why did the show get younger between Season 11 and Season 12? Then 49-year-old Patrick Dempsey, our dear McDreamy, left the show.

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2. Season 13 (Average age: 39.5)

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2. Season 13 (Average age: 39.5)

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This most recent season was almost the season with the oldest cast, but not quite!

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1. Season 9 (Average age: 40.33)

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1. Season 9 (Average age: 40.33)

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Yep, Season 9 was the season the Grey’s cast was the oldest — so perhaps it’s no surprise all those interns made series regular status the following year!

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They were fresh-faced stars when Grey’s Anatomy premiered, but the actors behind the first group of surgical interns — just Ellen Pompeo and Justin Chambers at this point — are now pushing 50.

Grey’s has added 20-something cast members over the years, but in which season was the cast youngest as a whole? And in which were the stars oldest? Prepared to be surprised by the ranking in the slideshow above…

Grey’s Anatomy Season 14 premieres on Thursday, September 28, at 8 p.m. ET on ABC.