2 consecutive nights. The show ended its second season with 21.07 million total viewers and a 6.9 ratings share in the 18–49 demographic. The season opened to high critical acclaim, as most agreed on a significant improvement in storylines. The season saw numerous cast and crew members receive awards and nominations at ceremonies like the 58th Primetime Emmy Awards and the 64th Golden Globe Awards. Katherine Heigl and Chandra Wilson were the cast members with the most nominations for their portrayals of Izzie Stevens and Miranda Bailey, respectively. The series was chosen in the top 10 for several 2006 "best of television" lists, including USA Today, San Jose Mercury News, TV Guide, and Orlando Sentinel. Episodes 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 Kate Walsh as Dr. Addison Montgomery-Shepherd Isaiah Washington as Dr. Preston Burke Patrick Dempsey as Dr. Derek Shepherd Recurring Sara Ramirez as Dr. Callie Torres Brooke Smith as Dr. Erica Hahn Kate Burton as Ellis Grey Steven W. Bailey as Joe, the Bartender Chris O'Donnell as Finn Dandridge Loretta Devine as Adele Webber Jeffrey Dean Morgan as Denny Duquette Notable guests Eric Dane as Dr. Mark Sloan Sarah Utterback as Olivia Harper Kali Rocha as Sydney Heron Tsai Chin as Helen Yang Jeff Perry as Thatcher Grey Mare Winningham as Susan Grey Laurie Metcalf as Beatrice Carver Jillian Armenante as Mindy Carlson Brian Kerwin as Holden McKee Jesse Plemons as Jake Burton Tessa Thompson as Camille Travis Monica Keena as Bonnie Crasnoff Kym Whitley as Yvonne Katherine LaNasa as Vera Kalpana Cress Williams as Tucker Jones Anjul Nigam as Dr. Raj Sen Robin Pearson Rose as Patricia Murphy George Dzundza as Harold O'Malley Tim Griffin as Ronny O'Malley Greg Pitts as Jerry O'Malley Mary Kay Place as Olive Warner Christina Ricci as Hannah Davies John Cho as Marshall Stone Mandy Siegfried as Molly Grey Kyle Chandler as Dylan Young Production Crew The season was produced by Touchstone Television, currently ABC Studios, in association with ShondaLand Production Company and The Mark Gordon Company. Shonda Rhimes returned as the series' showrunner and executive producer. She also continued her