Image of Marg Helgenberger

Marg Helgenberger

1958-11-16 Fremont, Nebraska, USA

Image of Marg Helgenberger


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.


A Dog's Journey Hannah Montgomery 2019-05-03
This Changes Everything Herself 2019-06-28
Almost Friends Samantha 2017-11-17
CSI: Immortality Catherine Willows 2015-09-27
Wonder Woman Hera (voice) 2009-03-03
Columbus Day Alice 2008-08-29
Mr. Brooks Emma Brooks 2007-06-01
In Good Company Ann 2004-12-29
Perfect Murder, Perfect Town: JonBenét and the City of Boulder Patsy Ramsey 2000-02-27
Erin Brockovich Donna Jensen 2000-03-17
Lethal Vows Ellen Farris 1999-10-13
Happy Face Murders Jen Powell 1999-09-05
Thanks of a Grateful Nation Jerrilynn Folz 1998-05-31
Giving Up the Ghost Anna Hobson 1998-09-07
Species II Dr. Laura Baker 1998-04-10
The Last Time I Committed Suicide Lizzy 1997-06-20
Fire Down Below Sarah Kellogg 1997-09-05
Murder Live! Pia Postman 1997-03-09
Gold Coast Karen DiCilia 1997-09-28
Conundrum Det. Rose Ekberg 1996-03-03
My Fellow Americans Joanna (uncredited) 1996-12-20
Just Looking Darlene Carpenter 1995-01-01
Bad Boys Alison Sinclair 1995-04-07
Inflammable Lt. (j.g.) Kay Dolan 1995-11-28
Species Dr. Laura Baker 1995-07-07
The Cowboy Way Margarette 1994-06-03
Where Are My Children? Vanessa Meyer Vernon Scott 1994-09-18
Keys Maureen 'Kick' Kickasola 1994-01-01
Lie Down with Lions Kate Nessen 1994-06-12
Distant Cousins Connie 1993-05-16
When Love Kills: The Seduction of John Hearn Debbie Banister 1993-05-18
I'll Be Waiting Eve Cressy 1993-08-15
Partners Georgeanne Bidwell 1993-11-12
In Sickness and in Health Mickey 1992-03-08
Through the Eyes of a Killer Laurie Fisher 1992-09-30
Death Dreams Crista Westfield 1991-06-25
Crooked Hearts Jennetta 1991-09-06
Blind Vengeance Virginia Whitelaw 1990-08-22
Always Rachel 1989-12-22
After Midnight Alex (segment "All Night Operator") 1989-11-03