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Marg Helgenberger

Also known as: Mary Marg Helgenberger

Marg Helgenberger alias list

Mary Marg Helgenberger

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Marg Helgenberger Biography

Personal

Age: 66 years young

Born: Sunday 16th of November 1958

Years active: 1977-present (started around 18 years old; 48 years active)

Birthplace: Fremont, Nebraska, United States

Nationality: (American)

Ethnicity: Caucasian

Professions: Actress

Body

Hair color: Red

Eye color: Blue

Height: 5'6" (or 167 cm)

Weight: 120 lbs (or 54 kg)

Body type: Average

Measurements: 36-24-36

Bra/cup size: 36C show conversions

Boobs: Real/Natural

Performances

Solo: Nudity (Topless Only)

Extra

Instagram follower count: 83k (as of May 2025)

About 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 Season 2, which premiered on September 29, 2022. 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).