Marg Helgenberger
Acting
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
Acting76
tvCSI: Vegas
2021
Catherine Willows
tvAll Rise
2019
Lisa Benner
movieA Dog's Journey
2019
Hannah Montgomery
movieAlmost Friends
2017
Samantha
movieCSI: Immortality
2015
Catherine Willows
tvIntelligence
2014
Lillian Strand
tvUnder the Dome
2013
Christine Price
tvThe Talk
2010
Self
movieWonder Woman
2009
Hera (voice)
tvRuPaul's Drag Race
2009
Self - Guest Judge
movieMr. Brooks
2007
Emma Brooks
tvCSI: Crime Scene Investigation
2000
Catherine Willows
movieErin Brockovich
2000
Donna Jensen
tvPerfect Murder, Perfect Town
2000
Patsy Ramsey
movieLethal Vows
1999
Ellen Farris
movieHappy Face Murders
1999
Jen Powell
movieGiving Up the Ghost
1998
Anna Hobson
movieThanks of a Grateful Nation
1998
Jerrilynn Folz
movieSpecies II
1998
Dr. Laura Baker
movieGold Coast
1997
Karen DiCilia
movieFire Down Below
1997
Sarah Kellogg
tvThe View
1997
Self
movieMurder Live!
1997
Pia Postman
tvKing of the Hill
1997
Mrs. Hanover / Pretty Student (voice)
movieMy Fellow Americans
1996
Joanna (uncredited)
movieConundrum
1996
Det. Rose Ekberg
movieInflammable
1995
Lt. (j.g.) Kay Dolan
movieSpecies
1995
Dr. Laura Baker
movieBad Boys
1995
Alison Sinclair
movieJust Looking
1995
Darlene Carpenter
tvER
1994
Karen Hines
movieWhere Are My Children?
1994
Vanessa Meyer Vernon Scott
movieLie Down with Lions
1994
Kate Nessen
movieThe Cowboy Way
1994
Margarette
movieKeys
1994
Maureen 'Kick' Kickasola
Partners
1993
Georgeanne Bidwell
tvFrasier
1993
Emily
tvLate Night with Conan O'Brien
1993
Self - Guest
tvFallen Angels
1993
Eve Cressy
movieWhen Love Kills: The Seduction of John Hearn
1993
Debbie Banister
movieDistant Cousins
1993
Connie
tvThe Tommyknockers
1993
Bobbi Anderson
movieThrough the Eyes of a Killer
1992
Laurie Fisher
tvThe Larry Sanders Show
1992
Susan Elliot
movieCrooked Hearts
1991
Jennetta
movieDeath Dreams
1991
Crista Westfield
movieBlind Vengeance
1990
Virginia Whitelaw
movieAlways
1989
Rachel
movieAfter Midnight
1989
Alex (segment "All Night Operator")
moviePeacemaker
1989
Mrs. Cooper
tvLIVE with Kelly and Mark
1988
Self - Guest
movieChina Beach: Pilot
1988
K.C. Kolowski
tvChina Beach
1988
KC Koloski
tvMatlock
1986
Victoria Rollins / Laura Norwood
tvSpenser: For Hire
1985
Nancy Kettering
tvAmerican Playhouse
1982
Mrs. Cooper (segment 'Peacemaker')
tvPeople's Choice Awards
1975
Self - Presenter
tvTony Awards
1956
Self - Presenter
tvGolden Globe Awards
1944
Self - Audience Member / Self - Nominee / Self - Presenter