Marg Helgenberger
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
ActingBirthday
November 16, 1958Gender
FemaleKnown Movie Credits
40Place of birth
Fremont, Nebraska, USACast credits
Erin Brockovich
Donna JensenSpecies II
Dr. Laura BakerIn Good Company
AnnMr. Brooks
Emma BrooksBad Boys
Alison SinclairSpecies
Dr. Laura BakerMy Fellow Americans
Joanna (uncredited)The Last Time I Committed Suicide
LizzyColumbus Day
AliceFire Down Below
Sarah KelloggWonder Woman
Hera (voice)After Midnight
Alex (segment "All Night Operator")The Cowboy Way
MargaretteThanks of a Grateful Nation
Jerrilynn FolzHappy Face Murders
Jen PowellCrooked Hearts
JennettaThrough the Eyes of a Killer
Laurie FisherDeath Dreams
Crista WestfieldLethal Vows
Ellen FarrisLie Down with Lions
Kate NessenPerfect Murder, Perfect Town: JonBenét and the City of Boulder
Patsy Ramsey