Marg Helgenberger
- Date of birth:
- 1958
- Mini Bio:
- Marg Helgenberger is an American film and television actress, perhaps 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 (which earned her the 1990 Emmy Award for Outstanding Supporting Actress in a Drama Series).
