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Marg Helgenberger picture

Marg Helgenberger

Acting
Known For

66 Years Old

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.

Born

Fremont, Nebraska, USA on 16th November 1958

All Credits

LIVE with Kelly and Mark Image
LIVE with Kelly and Mark
Self - Guest
CSI: Crime Scene Investigation Image
CSI: Crime Scene Investigation
Catherine Willows
The View Image
The View
Self
No Image
The Tony Danza Show
Self
Late Night with Conan O'Brien Image
Late Night with Conan O'Brien
Self - Guest
The Price Is Right Image
The Price Is Right
Self
Frasier Image
Frasier
Emily
Golden Globe Awards Image
Golden Globe Awards
Self - Presenter
Golden Globe Awards Image
Golden Globe Awards
Self - Nominee
Golden Globe Awards Image
Golden Globe Awards
Self - Audience Member
RuPaul's Drag Race Image
RuPaul's Drag Race
Self - Judge (archive footage)
RuPaul's Drag Race Image
RuPaul's Drag Race
Self - Guest Judge
The Ellen DeGeneres Show Image
The Ellen DeGeneres Show
Self
King of the Hill Image
King of the Hill
Mrs. Hanover / Pretty Student (voice)
Under the Dome Image
Under the Dome
Christine Price
Stars in the House Image
Stars in the House
Self
ER Image
ER
Karen Hines
Intimate Portrait Image
Intimate Portrait
Self
Tales from the Crypt Image
Tales from the Crypt
Vicki
thirtysomething Image
thirtysomething
Spenser: For Hire Image
Spenser: For Hire
Nancy Kettering
This Week Image
This Week
CSI: Vegas Image
CSI: Vegas
Catherine Willows
Tony Awards Image
Tony Awards
Self - Presenter
Matlock Image
Matlock
Victoria Rollins / Laura Norwood
Intelligence Image
Intelligence
Lillian Strand
China Beach Image
China Beach
KC Koloski
All Rise Image
All Rise
Lisa Benner
The Early Show Image
The Early Show
Self
The Tommyknockers Image
The Tommyknockers
Bobbi Anderson
Fallen Angels Image
Fallen Angels
Eve Cressy
Bad Boys Image
Bad Boys
Alison Sinclair
Species Image
Species
Dr. Laura Baker
A Dog's Journey Image
A Dog's Journey
Hannah Montgomery
Erin Brockovich Image
Erin Brockovich
Donna Jensen
Species II Image
Species II
Dr. Laura Baker
Perfect Murder, Perfect Town: JonBenét and the City of Boulder Image
Perfect Murder, Perfect Town: JonBenét and the City of Boulder
Patsy Ramsey
Fire Down Below Image
Fire Down Below
Sarah Kellogg
Mr. Brooks Image
Mr. Brooks
Emma Brooks
Always Image
Always
Rachel
In Good Company Image
In Good Company
Ann
Wonder Woman Image
Wonder Woman
Hera (voice)
The Cowboy Way Image
The Cowboy Way
Margarette
My Fellow Americans Image
My Fellow Americans
Joanna (uncredited)
Almost Friends Image
Almost Friends
Samantha
After Midnight Image
After Midnight
Alex (segment "All Night Operator")
The Last Time I Committed Suicide Image
The Last Time I Committed Suicide
Lizzy
This Changes Everything Image
This Changes Everything
Self
CSI: Immortality Image
CSI: Immortality
Catherine Willows
Through the Eyes of a Killer Image
Through the Eyes of a Killer
Laurie Fisher
Lethal Vows Image
Lethal Vows
Ellen Farris
Just Looking Image
Just Looking
Darlene Carpenter
No Image
Shell Game
Columbus Day Image
Columbus Day
Alice
Crooked Hearts Image
Crooked Hearts
Jennetta
Perfect Murder, Perfect Town: JonBenét and the City of Boulder Image
Perfect Murder, Perfect Town: JonBenét and the City of Boulder
Patsy Ramsey
Gold Coast Image
Gold Coast
Karen DiCilia
Murder Live! Image
Murder Live!
Pia Postman
Conundrum Image
Conundrum
Det. Rose Ekberg
Thanks of a Grateful Nation Image
Thanks of a Grateful Nation
Jerrilynn Folz
Distant Cousins Image
Distant Cousins
Connie
Where Are My Children? Image
Where Are My Children?
Vanessa Meyer Vernon Scott
Lie Down with Lions Image
Lie Down with Lions
Kate Nessen
Death Dreams Image
Death Dreams
Crista Westfield
In Sickness and in Health Image
In Sickness and in Health
Mickey
Inflammable Image
Inflammable
Lt. (j.g.) Kay Dolan
Happy Face Murders Image
Happy Face Murders
Jen Powell
When Love Kills: The Seduction of John Hearn Image
When Love Kills: The Seduction of John Hearn
Debbie Banister
Giving Up the Ghost Image
Giving Up the Ghost
Anna Hobson
No Image
Partners
Georgeanne Bidwell
Keys Image
Keys
Maureen 'Kick' Kickasola
China Beach: Pilot Image
China Beach: Pilot
K.C. Kolowski
Blind Vengeance Image
Blind Vengeance
Virginia Whitelaw
Blind Vengeance Image
Blind Vengeance