Marg Helgenberger
Born
1958-11-16
Place of birth
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 for playing the role of K.C. Koloski in the ABC drama China Beach (1988–91), which earned her the 19...
Known for
Bad Boys
Alison Sinclair
Under the Dome
Christine Price
Erin Brockovich
Donna Jensen
Mr. Brooks
Emma Brooks
Species
Dr. Laura Baker
A Dog's Journey
Hannah Montgomery
CSI: Crime Scene Investigation
Catherine Willows
Tales from the Crypt
Vicki
ER
Karen Hines
Frasier
Emily
Species II
Dr. Laura Baker
In Good Company
Ann
Always
Rachel
King of the Hill
Mrs. Hanover / Pretty Student (voice)
Wonder Woman
Hera (voice)