Marg Helgenberger
Actor
- Born
- November 16, 1958 (age 67) · Fremont, Nebraska, USA
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).
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Known for
Bad Boys
April 7, 1995
Erin Brockovich
March 17, 2000
Mr. Brooks
May 31, 2007
Species
July 7, 1995
A Dog's Journey
May 3, 2019
Species II
April 10, 1998
In Good Company
December 29, 2004
Always
December 22, 1989
Wonder Woman
March 3, 2009
Fire Down Below
September 5, 1997
Almost Friends
November 17, 2017
My Fellow Americans
December 20, 1996
Acting41
- 2019This Changes Everything as Self
- 2019A Dog's Journey as Hannah Montgomery
- 2017Almost Friends as Samantha
- 2015CSI: Immortality as Catherine Willows
- 2009Wonder Woman as Hera (voice)
- 2008Columbus Day as Alice
- 2007Mr. Brooks as Emma Brooks
- 2004In Good Company as Ann
- 2000Erin Brockovich as Donna Jensen
- 2000Perfect Murder, Perfect Town: JonBenét and the City of Boulder