Marg Helgenberger
Acting
78
Acting Credits
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
Filmography
CSI: Vegas
2021
as Catherine Willows
Stars in the House
2020
as Self
This Changes Everything
2019
as Self
A Dog's Journey
2019
as Hannah Montgomery
All Rise
2019
as Lisa Benner
Almost Friends
2017
as Samantha
CSI: Immortality
2015
as Catherine Willows
Intelligence
2014
as Lillian Strand
Under the Dome
2013
as Christine Price
The Talk
2010
as Self
Wonder Woman
2009
as Hera (voice)
RuPaul's Drag Race
2009
as Self - Guest Judge
Columbus Day
2008
as Alice
Mr. Brooks
2007
as Emma Brooks
In Good Company
2004
as Ann
The Tony Danza Show
2004
as Self
The Ellen DeGeneres Show
2003
as Self
Erin Brockovich
2000
as Donna Jensen
Perfect Murder, Perfect Town: JonBenét and the City of Boulder
2000
as Patsy Ramsey
CSI: Crime Scene Investigation
2000
as Catherine Willows
Perfect Murder, Perfect Town
2000
as Patsy Ramsey
Happy Face Murders
1999
as Jen Powell
Lethal Vows
1999
as Ellen Farris
The Early Show
1999
as Self
Species II
1998
as Dr. Laura Baker
Thanks of a Grateful Nation
1998
as Jerrilynn Folz
Giving Up the Ghost
1998
as Anna Hobson
The Last Time I Committed Suicide
1997
as Lizzy
Fire Down Below
1997
as Sarah Kellogg
Gold Coast
1997
as Karen DiCilia
Murder Live!
1997
as Pia Postman
King of the Hill
1997
as Mrs. Hanover / Pretty Student (voice)
The View
1997
as Self
My Fellow Americans
1996
as Joanna (uncredited)
Conundrum
1996
as Det. Rose Ekberg
Bad Boys
1995
as Alison Sinclair
Species
1995
as Dr. Laura Baker
Inflammable
1995
as Lt. (j.g.) Kay Dolan
Just Looking
1995
as Darlene Carpenter
The Cowboy Way
1994
as Margarette
Lie Down with Lions
1994
as Kate Nessen
Where Are My Children?
1994
as Vanessa Meyer Vernon Scott
Keys
1994
as Maureen 'Kick' Kickasola
ER
1994
as Karen Hines
Distant Cousins
1993
as Connie
When Love Kills: The Seduction of John Hearn
1993
as Debbie Banister
Partners
1993
as Georgeanne Bidwell
Frasier
1993
as Emily
Late Night with Conan O'Brien
1993
as Self - Guest
Intimate Portrait
1993
as Self
The Tommyknockers
1993
as Bobbi Anderson
Fallen Angels
1993
as Eve Cressy
Through the Eyes of a Killer
1992
as Laurie Fisher
In Sickness and in Health
1992
as Mickey
The Larry Sanders Show
1992
as Susan Elliot
Crooked Hearts
1991
as Jennetta
Death Dreams
1991
as Crista Westfield
The Hidden Room
1991
as Jane
Blind Vengeance
1990
as Virginia Whitelaw
After Midnight
1989
as Alex (segment "All Night Operator")
Always
1989
as Rachel
Peacemaker
1989
as Mrs. Cooper
Tales from the Crypt
1989
as Vicki
China Beach: Pilot
1988
as K.C. Kolowski
China Beach
1988
as KC Koloski
LIVE with Kelly and Mark
1988
as Self - Guest
thirtysomething
1987
Shell Game
1987
Matlock
1986
as Victoria Rollins / Laura Norwood
Spenser: For Hire
1985
as Nancy Kettering
American Playhouse
1982
as Mrs. Cooper (segment 'Peacemaker')
This Week
1981
People's Choice Awards
1975
as Self - Presenter
The Price Is Right
1972
as Self
Tony Awards
1956
as Self - Presenter
Golden Globe Awards
1944
as Self - Audience Member
Golden Globe Awards
1944
as Self - Nominee
Golden Globe Awards
1944
as Self - Presenter