Marg Helgenberger

Actor Nov 16 (age 67) Fremont, Nebraska, USA 1972–2021 (49 year career)

6.0 avg rating

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 …

Known For

Film

Erin Brockovich

Donna Jensen

Film

Bad Boys

Alison Sinclair

Film

A Dog's Journey

Hannah Montgomery

Film

CSI: Crime Scene Investigation

Catherine Willows

Film

Mr. Brooks

Emma Brooks

Film

Wonder Woman

Hera (voice)

Film

Species

Dr. Laura Baker

Film

CSI: Vegas

Catherine Willows

Filmography

Acting (75)

Movies (41)

A Dog's Journey

2019

as Hannah Montgomery

8.1

This Changes Everything

as Self

Almost Friends

as Samantha

CSI: Immortality

as Catherine Willows

Wonder Woman

as Hera (voice)

Columbus Day

as Alice

Mr. Brooks

as Emma Brooks

In Good Company

as Ann

Erin Brockovich

as Donna Jensen

Perfect Murder, Perfect Town: JonBenét and the City of Boulder

as Patsy Ramsey

Lethal Vows

as Ellen Farris

Happy Face Murders

as Jen Powell

Species II

as Dr. Laura Baker

Thanks of a Grateful Nation

as Jerrilynn Folz

Giving Up the Ghost

as Anna Hobson

Fire Down Below

as Sarah Kellogg

The Last Time I Committed Suicide

as Lizzy

Gold Coast

as Karen DiCilia

Murder Live!

as Pia Postman

My Fellow Americans

as Joanna (uncredited)

Conundrum

as Det. Rose Ekberg

Bad Boys

as Alison Sinclair

Species

as Dr. Laura Baker

Inflammable

as Lt. (j.g.) Kay Dolan

Just Looking

as Darlene Carpenter

Keys

as Maureen 'Kick' Kickasola

The Cowboy Way

as Margarette

Lie Down with Lions

as Kate Nessen

Where Are My Children?

1994

as Vanessa Meyer Vernon Scott

5.9

Partners

1993

as Georgeanne Bidwell

4.4

Distant Cousins

1993

as Connie

5.5

When Love Kills: The Seduction of John Hearn

1993

as Debbie Banister

1.0

In Sickness and in Health

1992

as Mickey

1.0

Through the Eyes of a Killer

as Laurie Fisher

Crooked Hearts

as Jennetta

Death Dreams

as Crista Westfield

Blind Vengeance

as Virginia Whitelaw

Always

as Rachel

Peacemaker

as Mrs. Cooper

After Midnight

as Alex (segment "All Night Operator")

5.6

China Beach: Pilot

1988

as K.C. Kolowski

Television (34)

CSI: Vegas

2021

as Catherine Willows

7.8

Stars in the House

2020

as Self

All Rise

as Lisa Benner

All Rise

as Lisa Benner

Intelligence

as Lillian Strand

Under the Dome

as Christine Price

RuPaul's Drag Race

as Self - Judge (archive footage)

7.5

The Tony Danza Show

2004

as Self

6.1

The Ellen DeGeneres Show

2003

as Self

5.6

CSI: Crime Scene Investigation

2000

as Catherine Willows

7.6

CSI: Crime Scene Investigation

2000

as Catherine Willows

7.6

Perfect Murder, Perfect Town

2000

as Patsy Ramsey

The Early Show

as Self

The View

as Self

King of the Hill

as Mrs. Hanover / Pretty Student (voice)

7.4

1994

as Karen Hines

7.8

Late Night with Conan O'Brien

as Self - Guest

Frasier

as Emily

Intimate Portrait

as Self

Fallen Angels

as Eve Cressy

The Tommyknockers

as Bobbi Anderson

The Larry Sanders Show

as Susan Elliot

Tales from the Crypt

as Vicki

LIVE with Kelly and Mark

as Self - Guest

China Beach

as KC Koloski

thirtysomething

Shell Game

Matlock

as Victoria Rollins / Laura Norwood

Spenser: For Hire

as Nancy Kettering

This Week

People's Choice Awards

as Self - Presenter

The Price Is Right

as Self

Tony Awards

as Self - Presenter

Golden Globe Awards

as Self - Audience Member

7.2