ER is an Emmy-winning American serial medical drama created by novelist Michael Crichton and set primarily in the emergency room of fictional County General Hospital in Cook County, Chicago, Illinois. It shares several cast and crew members with The Wire.

Shared cast members

Shared crew members

  • David Mills joined the writing staff of ER on the show's fourth season and served as a writer and co-producer on the fifth season. Mills also wrote for the fourth and fifth season of The Wire.
  • Ernest R. Dickerson has directed for both series.
  • Gloria Muzio has directed for both series.
  • Steve Shill has directed for both series.
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