Season one of Grey's Anatomy

Grey's Anatomy

Grey's Anatomy is an American medical drama television series created by Shonda Rhimes. The series premiered on March 27, 2005 on ABC; since then, seven seasons have aired. The series follows the lives of interns, residents and their mentors in the fictional Seattle Grace Mercy West Hospital in...

, an American medical drama

Medical drama

A medical drama is a television program, in which events center upon a hospital, an ambulance staff, or any medical environment.In the United States, most medical episodes are one hour long and, more often than not, are set in a hospital. Most current medical Dramatic programming go beyond the...

 television series developed by Shonda Rhimes

Shonda Rhimes

Shonda Rhimes is an American screenwriter, director and producer. Rhimes is best known as the creator, head writer, and executive producer of acclaimed television series Grey's Anatomy and its spin-off Private Practice. In May 2007, Rhimes was named one of Time magazine's 100 Time 100 people who...

, began airing on March 27, 2005 on ABC

American Broadcasting Company

The American Broadcasting Company is an American commercial broadcasting television network. Created in 1943 from the former NBC Blue radio network, ABC is owned by The Walt Disney Company and is part of Disney-ABC Television Group. Its first broadcast on television was in 1948...

. The season concluded on May 22, 2005, after 9 episodes aired. Season one regular cast members include Ellen Pompeo

Ellen Pompeo

Ellen Kathleen Pompeo is an American actress, known for playing the title role of Meredith Grey on the ABC medical drama Grey's Anatomy.-Early life:...

, Sandra Oh

Sandra Oh

Sandra Oh is a Canadian actress. She is best known for the role of Dr. Cristina Yang on ABC's Grey's Anatomy, for which she has won a Golden Globe and Screen Actors Guild award. She also played notable roles in the feature films Under the Tuscan Sun and Sideways, and had a supporting role on the...

, Katherine Heigl

Katherine Heigl

Katherine Marie Heigl is an American actress and producer. She is possibly best known for her role as Dr. Izzie Stevens on ABC's Grey's Anatomy from 2005 to 2010, for which she won a Primetime Emmy Award for Outstanding Supporting Actress – Drama Series in 2007...

, Justin Chambers

Justin Chambers

Justin W. Chambers is an American actor and former Calvin Klein male fashion model. As of 2005, he is starring in the ABC drama series Grey's Anatomy as Dr. Alex Karev....

, T.R. Knight, Chandra Wilson

Chandra Wilson

Chandra Danette Wilson is an American actress and director, best known as Dr. Miranda Bailey in the ABC television drama, Grey's Anatomy.-Early life:...

, James Pickens, Jr.

James Pickens, Jr.

James Pickens, Jr. is an American actor. He is best known for his starring role as Dr. Richard Webber on the ABC drama television series Grey's Anatomy, and for his supporting role as Deputy Director Alvin Kersh on later seasons of the Fox Network science fiction series The X-Files.- Early life...

, Isaiah Washington

Isaiah Washington

Isaiah Washington IV is an American actor. A veteran of several Spike Lee films, Washington is best known for his role as Dr. Preston Burke on the ABC medical drama Grey's Anatomy from 2005 to 2007.-Personal life:...

 and Patrick Dempsey

Patrick Dempsey

Patrick Galen Dempsey is an American actor, known for his role as neurosurgeon Dr. Derek Shepherd on the medical drama Grey's Anatomy. Prior to Grey's Anatomy he made several television appearances and was nominated for an Emmy Award...

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The season initially served as a mid-season replacement for the legal drama

Legal drama

A legal drama is a work of dramatic fiction about crime and civil litigation. Subtypes of legal dramas include courtroom dramas and legal thrillers, and come in all forms, including novels, television shows, and films. Legal drama sometimes overlap with crime drama, most notably in the case of Law...

 Boston Legal

Boston Legal

Boston Legal is an American legal dramedy created by David E. Kelley, which was produced in association with 20th Century Fox Television for the ABC...

, immediately following Desperate Housewives

Desperate Housewives

Desperate Housewives is an American television comedy-drama series created by Marc Cherry and produced by ABC Studios and Cherry Productions. Executive producer Cherry serves as Showrunner. Other executive producers since the fourth season include Marc Cherry, Bob Daily, George W...

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