
Marg Helgenberger
Known for Acting · 75 credits
- Born
- 1958-11-16 (age 67)
- Place of birth
- Fremont, Nebraska, USA
- Also known as
- مارگ هلگنبرگر
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
TV Shows (33)

CSI: Crime Scene Investigation
2000
as Catherine Willows

ER
1994
as Karen Hines

Frasier
1993
as Emily

King of the Hill
1997
as Mrs. Hanover / Pretty Student (voice)

The View
1997
as Self

LIVE with Kelly and Mark
1988
as Self - Guest

RuPaul's Drag Race
2009
as Self - Guest Judge

Golden Globe Awards
1944
as Self - Audience Member / Self - Nominee / Self - Presenter

The Ellen DeGeneres Show
2003
as Self

Late Night with Conan O'Brien
1993
as Self - Guest

All Rise
2019
as Lisa Benner

Matlock
1986
as Victoria Rollins / Laura Norwood

Tony Awards
1956
as Self - Presenter

The Price Is Right
1972
as Self

Tales from the Crypt
1989
as Vicki

Under the Dome
2013
as Christine Price

The Larry Sanders Show
1992
as Susan Elliot

Intimate Portrait
1993
as Self

thirtysomething
1987
The Tony Danza Show
2004
as Self

CSI: Vegas
2021
as Catherine Willows

Stars in the House
2020
as Self

People's Choice Awards
1975
as Self - Presenter

China Beach
1988
as KC Koloski

Spenser: For Hire
1985
as Nancy Kettering

Fallen Angels
1993
as Eve Cressy

Intelligence
2014
as Lillian Strand

This Week
1981

The Hidden Room
1991
as Jane

The Early Show
1999
as Self

The Tommyknockers
1993
as Bobbi Anderson

Perfect Murder, Perfect Town
2000
as Patsy Ramsey
Shell Game
1987
Movies (42)

Bad Boys
1995
as Alison Sinclair

Erin Brockovich
2000
as Donna Jensen

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

Always
1989
as Rachel

Wonder Woman
2009
as Hera (voice)

Fire Down Below
1997
as Sarah Kellogg

Almost Friends
2017
as Samantha

In Good Company
2004
as Ann

Crooked Hearts
1991
as Jennetta

This Changes Everything
2019
as Self

The Last Time I Committed Suicide
1997
as Lizzy

My Fellow Americans
1996
as Joanna (uncredited)

The Cowboy Way
1994
as Margarette

Columbus Day
2008
as Alice

CSI: Immortality
2015
as Catherine Willows

Thanks of a Grateful Nation
1998
as Jerrilynn Folz

After Midnight
1989
as Alex (segment "All Night Operator")
Partners
1993
as Georgeanne Bidwell

Conundrum
1996
as Det. Rose Ekberg

Lethal Vows
1999
as Ellen Farris

Perfect Murder, Perfect Town: JonBenét and the City of Boulder
2000
as Patsy Ramsey

Where Are My Children?
1994
as Vanessa Meyer Vernon Scott

In Sickness and in Health
1992
as Mickey

Just Looking
1995
as Darlene Carpenter

Murder Live!
1997
as Pia Postman

Happy Face Murders
1999
as Jen Powell

When Love Kills: The Seduction of John Hearn
1993
as Debbie Banister

Keys
1994
as Maureen 'Kick' Kickasola

Inflammable
1995
as Lt. (j.g.) Kay Dolan

Blind Vengeance
1990
as Virginia Whitelaw

Gold Coast
1997
as Karen DiCilia

China Beach: Pilot
1988
as K.C. Kolowski

Death Dreams
1991
as Crista Westfield

Peacemaker
1989
as Mrs. Cooper

Through the Eyes of a Killer
1992
as Laurie Fisher

Distant Cousins
1993
as Connie

Giving Up the Ghost
1998
as Anna Hobson

Lie Down with Lions
1994
as Kate Nessen

CSI: Las Vegas - Grave Danger
2005
as Catherine Willows
About 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 d… With 75 credits spanning from 1944 to 2021, Marg Helgenberger has appeared in 42 films and 33 TV shows.
Fans searching for Marg Helgenberger movies, Marg Helgenberger filmography, or the latest projects starring Marg Helgenberger can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Marg Helgenberger Movies
- Bad Boys (1995) — as Alison Sinclair
- Erin Brockovich (2000) — as Donna Jensen
- Species (1995) — as Dr. Laura Baker
- A Dog's Journey (2019) — as Hannah Montgomery
- Mr. Brooks (2007) — as Emma Brooks
Where to Watch Marg Helgenberger Films
Most Marg Helgenberger movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Marg Helgenberger, check our movies catalogue and browse page.