Marg Helgenberger
0 FOLLOWERS • 29 CREDITS • NOV 16, 1958 • 65
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 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).
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Known For
RuPaul's Drag Race
ER
Matlock
Tony Awards
Golden Globe Awards
Tales from the Crypt
Frasier
The Early Show
King of the Hill
LIVE with Kelly and Mark
Fallen Angels
Under the Dome
The Price Is Right
Bad Boys
Intelligence
CSI: Vegas
All Rise
Wonder Woman
Erin Brockovich
Late Night with Conan O'Brien
Species
CSI: Crime Scene Investigation
Species II
Perfect Murder, Perfect Town: JonBenét and the City of Boulder
Happy Face Murders
China Beach
Conundrum
Gold Coast
A Dog's Journey
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