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.
Filmography
This Changes Everything
as Self
This Changes Everything
as Self
A Dog's Journey
as Hannah Montgomery
A Dog's Journey
as Hannah Montgomery
Almost Friends
as Samantha
Almost Friends
as Samantha
CSI: Immortality
as Catherine Willows
CSI: Immortality
as Catherine Willows
Wonder Woman
as Hera (voice)
Wonder Woman
as Hera (voice)
Columbus Day
as Alice
Columbus Day
as Alice
Mr. Brooks
as Emma Brooks
Mr. Brooks
as Emma Brooks
In Good Company
as Ann
In Good Company
as Ann
Erin Brockovich
as Donna Jensen
Erin Brockovich
as Donna Jensen
Perfect Murder, Perfect Town: JonBenét and the City of Boulder
as Patsy Ramsey
Perfect Murder, Perfect Town: JonBenét and the City of Boulder
as Patsy Ramsey
Lethal Vows
as Ellen Farris
Lethal Vows
as Ellen Farris
Happy Face Murders
as Jen Powell
Happy Face Murders
as Jen Powell
Giving Up the Ghost
as Anna Hobson
Giving Up the Ghost
as Anna Hobson
Thanks of a Grateful Nation
as Jerrilynn Folz
Thanks of a Grateful Nation
as Jerrilynn Folz
Species II
as Dr. Laura Baker
Species II
as Dr. Laura Baker
Gold Coast
as Karen DiCilia
Gold Coast
as Karen DiCilia
Fire Down Below
as Sarah Kellogg
Fire Down Below
as Sarah Kellogg
The Last Time I Committed Suicide
as Lizzy
The Last Time I Committed Suicide
as Lizzy
Murder Live!
as Pia Postman
Murder Live!
as Pia Postman
My Fellow Americans
as Joanna (uncredited)
My Fellow Americans
as Joanna (uncredited)
Conundrum
as Det. Rose Ekberg
Conundrum
as Det. Rose Ekberg
Inflammable
as Lt. (j.g.) Kay Dolan
Inflammable
as Lt. (j.g.) Kay Dolan
Species
as Dr. Laura Baker
Species
as Dr. Laura Baker
Bad Boys
as Alison Sinclair
Bad Boys
as Alison Sinclair
Just Looking
as Darlene Carpenter
Just Looking
as Darlene Carpenter
Where Are My Children?
as Vanessa Meyer Vernon Scott
Where Are My Children?
as Vanessa Meyer Vernon Scott
Lie Down with Lions
as Kate Nessen
Lie Down with Lions
as Kate Nessen
The Cowboy Way
as Margarette
The Cowboy Way
as Margarette
Keys
as Maureen 'Kick' Kickasola
Keys
as Maureen 'Kick' Kickasola
Partners
as Georgeanne Bidwell
Partners
as Georgeanne Bidwell
When Love Kills: The Seduction of John Hearn
as Debbie Banister
When Love Kills: The Seduction of John Hearn
as Debbie Banister
Distant Cousins
as Connie
Distant Cousins
as Connie
Through the Eyes of a Killer
as Laurie Fisher
Through the Eyes of a Killer
as Laurie Fisher
In Sickness and in Health
as Mickey
In Sickness and in Health
as Mickey
Crooked Hearts
as Jennetta
Crooked Hearts
as Jennetta
Death Dreams
as Crista Westfield
Death Dreams
as Crista Westfield
Blind Vengeance
as Virginia Whitelaw
Blind Vengeance
as Virginia Whitelaw
Always
as Rachel
Always
as Rachel
After Midnight
as Alex (segment "All Night Operator")
After Midnight
as Alex (segment "All Night Operator")
Peacemaker
as Mrs. Cooper
Peacemaker
as Mrs. Cooper
China Beach: Pilot
as K.C. Kolowski
China Beach: Pilot
as K.C. Kolowski