Film
* Birdman or (The Unexpected Virtue of Ignorance) (2014): Co-writer, won an Academy Award for Best Original Screenplay
* The Tourist (2010): Writer
* Lucky Number Slevin (2006): Writer
* The Yards (2000): Writer
Television
* The Americans (2013-2018): Co-creator, writer, director; won a Primetime Emmy Award for Outstanding Writing for a Drama Series
* Homeland (2011-2020): Writer, director; won a Primetime Emmy Award for Outstanding Writing for a Drama Series
* The Wire (2002-2008): Writer, director; won a Writers Guild of America Award for Television: Drama Series
* John Adams (2008): Writer, won a Primetime Emmy Award for Outstanding Writing for a Miniseries, Movie, or Dramatic Special
* Generation Kill (2008): Writer, director; won a Primetime Emmy Award for Outstanding Writing for a Miniseries, Movie, or Dramatic Special
* Band of Brothers (2001): Writer; won a Writers Guild of America Award for Television: Long Form – Original
This is not an exhaustive list, but it highlights some of Alex Robert Holmes's most significant and critically acclaimed work. He has also contributed to many other projects, including:
* The Shield
* The Sopranos
* Deadwood
Holmes is known for his sharp writing, complex characters, and insightful exploration of social and political themes. His work often delves into the lives of ordinary people caught in extraordinary circumstances.