Marg Helgenberger
Marg Helgenberger
Mary Marg Helgenbergeris an American actress. She began her career in the early 1980s and first came to attention for playing the role of Siobhan Ryan on the daytime soap opera Ryan's Hope from 1982 to 1986. She is best known for her roles as Catherine Willows in the CBS police prodecural drama CSI: Crime Scene Investigationand the subsequent TV movie Immortalityand as K.C. Koloski in the ABC drama China Beach, which earned her the 1990 Emmy Award for Outstanding...
NationalityAmerican
ProfessionTV Actress
Date of Birth16 November 1958
CityFremonte, NE
CountryUnited States of America