Marg Helgenberger Nude

Mary Marg Helgenberger (born November 16, 1958, standing at 5' 6" (1.68 m)) is an American film and television actress, best known for her roles as Catherine Willows in the CBS drama CSI: Crime Scene Investigation, and as K.C. Koloski in the ABC drama China Beach, for which she won the 1990 Emmy Award for Outstanding Supporting Actress in a Drama Series.