Marg Helgenberger
Acting
🎂 1958-11-16
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.
Cast credits(74)
Mrs. Hanover / Pretty Student (voice)
1997
Self
2004
Self
1997
Self - Guest Judge
2009
Self - Judge (archive footage)
2009
Self - Guest
1988
Catherine Willows
2000
Christine Price
2013
Self - Guest
1993
Emily
1993
Self
2003
Self
1972
Lisa Benner
2019
Self - Audience Member
1944
Self - Nominee
1944
Self - Presenter
1944
Self
2020
Nancy Kettering
1985
Karen Hines
1994
Vicki
1989
Self
1993
Self - Presenter
1956
1981
Catherine Willows
2021
Lillian Strand
2014
1987
Victoria Rollins / Laura Norwood
1986
Bobbi Anderson
1993
Eve Cressy
1993
Self
1999
1987
Alison Sinclair
1995
KC Koloski
1988
Donna Jensen
2000
Dr. Laura Baker
1995
Dr. Laura Baker
1998
Hannah Montgomery
2019
Patsy Ramsey
2000
Hera (voice)
2009
Emma Brooks
2007
Rachel
1989
Ann
2004
Sarah Kellogg
1997
Lizzy
1997
Samantha
2017
Joanna (uncredited)
1996
Catherine Willows
2015
Alex (segment "All Night Operator")
1989
Margarette
1994
Jennetta
1991
Self
2019
Jerrilynn Folz
1998
Anna Hobson
1998
Ellen Farris
1999
Alice
2008
Laurie Fisher
1992
Det. Rose Ekberg
1996
Crista Westfield
1991
Pia Postman
1997
Lt. (j.g.) Kay Dolan
1995
Mickey
1992
Karen DiCilia
1997
Debbie Banister
1993
Virginia Whitelaw
1990
Darlene Carpenter
1995
Jen Powell
1999
Vanessa Meyer Vernon Scott
1994
Georgeanne Bidwell
1993
Connie
1993
Patsy Ramsey
2000
Maureen 'Kick' Kickasola
1994
Kate Nessen
1994
1994
K.C. Kolowski
1988