Marg Helgenberger
Acting
Born: 1958-11-16 · Fremont, Nebraska, USA
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
🎬 Movies (20)
This Changes Everything
2019
Self
A Dog's Journey
2019
Hannah Montgomery
Almost Friends
2017
Samantha
CSI: Immortality
2015
Catherine Willows
Wonder Woman
2009
Hera (voice)
Columbus Day
2008
Alice
Mr. Brooks
2007
Emma Brooks
In Good Company
2004
Ann
Erin Brockovich
2000
Donna Jensen
Perfect Murder, Perfect Town: JonBenét and the City of Boulder
2000
Patsy Ramsey
Lethal Vows
1999
Ellen Farris
Happy Face Murders
1999
Jen Powell
Giving Up the Ghost
1998
Anna Hobson
Thanks of a Grateful Nation
1998
Jerrilynn Folz
Species II
1998
Dr. Laura Baker
Gold Coast
1997
Karen DiCilia
Fire Down Below
1997
Sarah Kellogg
The Last Time I Committed Suicide
1997
Lizzy
Murder Live!
1997
Pia Postman
My Fellow Americans
1996
Joanna (uncredited)
📺 TV Shows (20)
CSI: Vegas
2021
Catherine Willows
Stars in the House
2020
Self
All Rise
2019
Lisa Benner
Intelligence
2014
Lillian Strand
Under the Dome
2013
Christine Price
RuPaul's Drag Race
2009
Self - Guest Judge
The Tony Danza Show
2004
Self
The Ellen DeGeneres Show
2003
Self
CSI: Crime Scene Investigation
2000
Catherine Willows
Perfect Murder, Perfect Town
2000
Patsy Ramsey
The Early Show
1999
Self
The View
1997
Self
King of the Hill
1997
Mrs. Hanover / Pretty Student (voice)
ER
1994
Karen Hines
Intimate Portrait
1993
Self
Frasier
1993
Emily
Late Night with Conan O'Brien
1993
Self - Guest
Fallen Angels
1993
Eve Cressy
The Tommyknockers
1993
Bobbi Anderson
The Larry Sanders Show
1992
Susan Elliot