Marg Helgenberger
Acting
Born: November 16, 1958 (age 67) · Fremont, Nebraska, USA
Highest Rated
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.
Known for
Bad Boys
1995
Under the Dome
2013
Erin Brockovich
2000
Mr. Brooks
2007
Species
1995
A Dog's Journey
2019
CSI: Crime Scene Investigation
2000
Tales from the Crypt
1989
ER
1994
Frasier
1993
Species II
1998
In Good Company
2004
Photos (5)
Movies (40)
A Dog's Journey
Hannah Montgomery
Species
Dr. Laura Baker
Erin Brockovich
Donna Jensen
Species II
Dr. Laura Baker
Bad Boys
Alison Sinclair
In Good Company
Ann
Fire Down Below
Sarah Kellogg
The Cowboy Way
Margarette
Wonder Woman
Hera (voice)
Mr. Brooks
Emma Brooks
My Fellow Americans
Joanna (uncredited)
Always
Rachel
Almost Friends
Samantha
After Midnight
Alex (segment "All Night Operator")
Columbus Day
Alice
The Last Time I Committed Suicide
Lizzy
Lie Down with Lions
Kate Nessen
Gold Coast
Karen DiCilia
CSI: Immortality
Catherine Willows
China Beach: Pilot
K.C. Kolowski
Thanks of a Grateful Nation
Jerrilynn Folz
Where Are My Children?
Vanessa Meyer Vernon Scott
Murder Live!
Pia Postman
Crooked Hearts
Jennetta
Just Looking
Darlene Carpenter
Through the Eyes of a Killer
Laurie Fisher
Lethal Vows
Ellen Farris
Perfect Murder, Perfect Town: JonBenét and the City of Boulder
Patsy Ramsey
Partners
Georgeanne Bidwell
Inflammable
Lt. (j.g.) Kay Dolan
Conundrum
Det. Rose Ekberg
When Love Kills: The Seduction of John Hearn
Debbie Banister
Peacemaker
Mrs. Cooper
In Sickness and in Health
Mickey
Giving Up the Ghost
Anna Hobson
Death Dreams
Crista Westfield
Keys
Maureen 'Kick' Kickasola
Happy Face Murders
Jen Powell
Blind Vengeance
Virginia Whitelaw
Distant Cousins
Connie
TV Shows (20)
CSI: Crime Scene Investigation
Catherine Willows · 264 eps
Frasier
Emily · 1 eps
King of the Hill
Mrs. Hanover / Pretty Student (voice) · 1 eps
ER
Karen Hines · 4 eps
Matlock
Victoria Rollins / Laura Norwood · 1 eps
American Playhouse
Mrs. Cooper (segment 'Peacemaker') · 1 eps
The Larry Sanders Show
Susan Elliot · 1 eps
Tales from the Crypt
Vicki · 1 eps
All Rise
Lisa Benner · 45 eps
Under the Dome
Christine Price · 11 eps
CSI: Vegas
Catherine Willows · 31 eps
thirtysomething
1 eps
China Beach
KC Koloski · 64 eps
Spenser: For Hire
Nancy Kettering · 1 eps
Fallen Angels
Eve Cressy · 1 eps
This Week
1 eps
Intelligence
Lillian Strand · 13 eps
The Hidden Room
Jane · 1 eps
The Tommyknockers
Bobbi Anderson · 2 eps
Perfect Murder, Perfect Town
Patsy Ramsey · 2 eps
Self / Appearances (16)
The View
Self · 4 eps
RuPaul's Drag Race
Self - Guest Judge · 1 eps
LIVE with Kelly and Mark
Self - Guest · 3 eps
Late Night with Conan O'Brien
Self - Guest · 1 eps
Golden Globe Awards
Self - Audience Member · 2 eps
Golden Globe Awards
Self - Nominee · 3 eps
Golden Globe Awards
Self - Presenter · 1 eps
The Ellen DeGeneres Show
Self · 1 eps
Tony Awards
Self - Presenter · 2 eps
The Price Is Right
Self · 1 eps
The Talk
Self · 1 eps
Intimate Portrait
Self · 1 eps
Stars in the House
Self · 1 eps
People's Choice Awards
Self - Presenter · 1 eps
The Early Show
Self · 2 eps
This Changes Everything
Self