Marg Helgenberger
Known for Acting
Biography
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 role as Catherine Willows in the CBS police procedural drama CSI: Crime Scene Investigation (2000–13) and the subsequent TV movie Immortality (2015). She reprised the role in the sequel CSI: Vegas (2022–present). Helgenberger is also known for playing the role of K.C. Koloski in the ABC drama China Beach (1988–91), which earned her the 1990 Emmy Award for Outstanding Supporting Actress in a Drama Series. She is also known for roles in the TV series Under the Dome and Intelligence, and the films Species (1995), Species II (1998), Erin Brockovich (2000), and Mr. Brooks (2007). Description above from the Wikipedia article Marg Helgenberger, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Bad Boys
1995
as Alison Sinclair
Erin Brockovich
2000
as Donna Jensen
Almost Friends
2017
as Samantha
Species
1995
as Dr. Laura Baker
A Dog's Journey
2019
as Hannah Montgomery
Mr. Brooks
2007
as Emma Brooks
Species II
1998
as Dr. Laura Baker
In Good Company
2004
as Ann
Inflammable
1995
as Lt. (j.g.) Kay Dolan
Fire Down Below
1997
as Sarah Kellogg
Always
1989
as Rachel
Wonder Woman
2009
as Hera (voice)
The Cowboy Way
1994
as Margarette
This Changes Everything
2019
as Self
The Last Time I Committed Suicide
1997
as Lizzy
Gold Coast
1997
as Karen DiCilia
My Fellow Americans
1996
as Joanna (uncredited)
China Beach: Pilot
1988
as K.C. Kolowski
Crooked Hearts
1991
as Jennetta
Columbus Day
2008
as Alice