T.R. Knight and Katherine Heigl in Grey's Anatomy by Vivian Zink/ABC T.R. Knight and Katherine Heigl in Grey's Anatomy by Vivian Zink/ABC

Nominations for the 59th Annual Primetime Emmy Awards, to be broadcast Sept. 16 on Fox, were announced Thursday morning. Here are the major races in the drama-series field.

Lead Actress in a Drama Series:
Patricia Arquette ( Medium)
Minnie Driver ( The Riches)
Edie Falco ( The Sopranos)
Sally Field ( Brothers & Sisters)
Mariska Hargitay ( Law & Order: SVU)
Kyra Sedgwick ( The Closer)

Lead Actor in a Drama Series:
James Gandolfini ( The Sopranos)
Hugh Laurie ( House)
Denis Leary ( Rescue Me)
James Spader ( Boston Legal)
Kiefer Sutherland ( 24)

Supporting Actress in a Drama Series:
Rachel Griffiths ( Brothers & Sisters)
Katherine Heigl ( Grey's Anatomy)
Chandra Wilson ( Grey's Anatomy)
Sandra Oh ( Grey's Anatomy)
Aida Turturro ( The Sopranos)
Lorraine Bracco ( The Sopranos)

Supporting Actor in a Drama Series:
William Shatner ( Boston Legal)
Masi Oka ( Heroes)
T.R. Knight ( Grey's Anatomy)
Michael Emerson ( Lost)
Terry O'Quinn ( Lost)
Michael Imperioli ( The Sopranos)

Guest Actress in a Drama Series:
Kate Burton ( Grey's Anatomy)
Elizabeth Reaser ( Grey's Anatomy)
Marcia Gay Harden ( Law & Order: SVU)
Leslie Caron ( Law & Order: SVU)
Jean Smart ( 24)

Guest Actor in a Drama Series:
Christian Clemenson ( Boston Legal)
Forest Whitaker ( ER)
David Morse ( House)
Tim Daly ( The Sopranos)
John Goodman ( Studio 60 on the Sunset Strip)
Eli Wallach ( Studio 60 on the Sunset Strip)

Also see the acting nominees in the comedy and TV-movie/miniseries races, as well as the assorted outstanding-series contenders.