Marg Helgenberger

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:...

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also starring Marg Helgenberger
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Erin Brockovich

As Donna Jensen

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Species II

As Dr. Laura Baker

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In Good Company

As Ann

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Mr. Brooks

As Emma Brooks

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Bad Boys

As Alison Sinclair

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Species

As Dr. Laura Baker

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My Fellow Americans

As Joanna (uncredited)

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The Last Time I Committed Suicide

As Lizzy

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Columbus Day

As Alice

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Fire Down Below

As Sarah Kellogg

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Wonder Woman

As Hera (voice)

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After Midnight

As Alex (segment "All Night Operator")

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The Cowboy Way

As Margarette

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Thanks of a Grateful Nation

As Jerrilynn Folz

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Happy Face Murders

As Jen Powell

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Crooked Hearts

As Jennetta

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Through the Eyes of a Killer

As Laurie Fisher

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Death Dreams

As Crista Westfield

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Lethal Vows

As Ellen Farris

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Lie Down with Lions

As Kate Nessen

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

As Patsy Ramsey

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Distant Cousins

As Connie

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Conundrum

As Det. Rose Ekberg

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Gold Coast

As Karen DiCilia

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Blind Vengeance

As Virginia Whitelaw

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Inflammable

As Lt. (j.g.) Kay Dolan

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Where Are My Children?

As Vanessa Meyer Vernon Scott

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CSI: Immortality

As Catherine Willows

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China Beach: Pilot

As K.C. Kolowski

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Giving Up the Ghost

As Anna Hobson

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Almost Friends

As Samantha

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Just Looking

As Darlene Carpenter

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In Sickness and in Health

As Mickey

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Keys

As Maureen 'Kick' Kickasola

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When Love Kills: The Seduction of John Hearn

As Debbie Banister

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Always

As Rachel

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Murder Live!

As Pia Postman

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This Changes Everything

As Self

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A Dog's Journey

As Hannah Montgomery

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Partners

As Georgeanne Bidwell

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The Ellen DeGeneres Show

As Self

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The Tony Danza Show

As Self

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Spenser: For Hire

As Nancy Kettering

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CSI: Crime Scene Investigation

As Catherine Willows

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thirtysomething

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China Beach

As KC Koloski

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LIVE with Kelly and Mark

As Self - Guest

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King of the Hill

As Mrs. Hanover / Pretty Student (voice)

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Tales from the Crypt

As Vicki

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This Week

actor

The View

As Self

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Frasier

As Emily

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The Early Show

As Self

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Late Night with Conan O'Brien

As Self - Guest

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ER

As Karen Hines

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Shell Game

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Intelligence

As Lillian Strand

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Tony Awards

As Self - Presenter

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Under the Dome

As Christine Price

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Intimate Portrait

As Self

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The Tommyknockers

As Bobbi Anderson

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Fallen Angels

As Eve Cressy

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Matlock

As Victoria Rollins / Laura Norwood

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CSI: Vegas

As Catherine Willows

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

As Patsy Ramsey

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The Price Is Right

As Self

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RuPaul's Drag Race

As Self

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Stars in the House

As Self

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All Rise

As Lisa Benner

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Golden Globe Awards

As Self - Audience Member