Drama Series category. Oh also won the Outstanding Actress in a Drama Series at the 12th Screen Actors Guild Awards. Chambers and Pompeo were nominated for Choice TV Breakout Performances at the 2005 Teen Choice Awards. Peter Horton and Jeffrey Melman were also nominated for the Best Directing – Drama Series, Night for A Hard Day's Night and Into You Like a Train respectively at the 58th Directors Guild of America Awards. The last four episodes, written and shot to air as the final episodes of the first season, actually aired as part of the beginning of the second season, due to the high number of viewers that watched "Who's Zoomin' Who?", the season's highest-rated episode with 22.22 million viewers tuning in. The series was chosen in the top 10 for several 2005 "best of television" lists, including USA Today, San Jose Mercury News, The New York Times, The Boston Globe and Chicago Tribune. Episodes The number in the "No. in series" column refers to the episode's number within the overall series, whereas the number in the "No. in season" column refers to the episode's number within this particular season. "U.S. viewers in millions" refers to the number of Americans in millions who watched the episodes live. The first season's episodes are altogether 387 minutes in length. Each episode of this season is named after a song. Cast and characters Main Ellen Pompeo as Dr. Meredith Grey Sandra Oh as Dr. Cristina Yang Katherine Heigl as Dr. Izzie Stevens Justin Chambers as Dr. Alex Karev T.R. Knight as Dr. George O'Malley Chandra Wilson as Dr. Miranda Bailey James Pickens, Jr. as Dr. Richard Webber Isaiah Washington as Dr. Preston Burke Patrick Dempsey as Dr. Derek Shepherd Notable guests Kate Walsh as Dr. Addison Montgomery Kate Burton as Ellis Grey Sarah Utterback as Olivia Harper Skyler Shaye as Katie Bryce Kathryn Joosten as Stephanie Drake Kevin Rahm as Mr. Duff Lauren Bowles as Alice Franklin Anjul Nigam as Dr. Raj Sen Anna Maria Horsford as Elizabeth Fallon Robin Pearson Rose as Patricia Murphy Production Development The series was created by Shonda Rhimes and was aired on the ABC Network in the U.S. The season was produced by Touchstone Television, currently ABC Studios, The Mark Gordon Company, ShondaLand Production Company, and was distributed by Buena Vista International, Inc. The season's executive producers were Rhimes, Betsy Beers, Mark Gordon, James D. Parriott, Krista