FANDOM


2017

'Mary Marg Helgenberger (born November 16, 1958) is 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 procedural drama CSI: Crime Scene Investigation (2000–12, 2013) and the subsequent TV movie Immortality (2015) and as K.C. Koloski in the ABC drama China Beach (1988–91), which earned her the 1990 Emmy Award for Primetime Emmy Award for Outstanding Supporting Actress – Drama Series.

She is also known for roles in the TV series Under the Dome in which she portrayed Christine Price, Intelligence, and the feature films Species (1995), Erin Brockovich (2000), and Mr. Brooks (2007). She portrayed Roberta Anderson in the 1993 television adaptation of The Tommyknockers.

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