Marg Helgenberger

Acting

1958-11-16 · Fremont, Nebraska, USA

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.

Filmography

CSI: Vegas

2021 · Series

Stars in the House

2020 · Series

All Rise

2019 · Series

This Changes Everything

2019 · Movie

A Dog's Journey

2019 · Movie

Almost Friends

2017 · Movie

CSI: Immortality

2015 · Movie

Intelligence

2014 · Series

Under the Dome

2013 · Series

The Talk

2010 · Series

Wonder Woman

2009 · Movie

RuPaul's Drag Race

2009 · Series

Columbus Day

2008 · Movie

Mr. Brooks

2007 · Movie

In Good Company

2004 · Movie

The Tony Danza Show

2004 · Series

The Ellen DeGeneres Show

2003 · Series

CSI: Crime Scene Investigation

2000 · Series

Erin Brockovich

2000 · Movie

Perfect Murder, Perfect Town

2000 · Series

Perfect Murder, Perfect Town: JonBenét and the City of Boulder

2000 · Movie

The Early Show

1999 · Series

Lethal Vows

1999 · Movie

Happy Face Murders

1999 · Movie

Giving Up the Ghost

1998 · Movie

Thanks of a Grateful Nation

1998 · Movie

Species II

1998 · Movie

Gold Coast

1997 · Movie

Fire Down Below

1997 · Movie

The View

1997 · Series

The Last Time I Committed Suicide

1997 · Movie

Murder Live!

1997 · Movie

King of the Hill

1997 · Series

My Fellow Americans

1996 · Movie

Conundrum

1996 · Movie

Inflammable

1995 · Movie

Species

1995 · Movie

Bad Boys

1995 · Movie

Just Looking

1995 · Movie

1994 · Series

Where Are My Children?

1994 · Movie

Lie Down with Lions

1994 · Movie

The Cowboy Way

1994 · Movie

Keys

1994 · Movie

Intimate Portrait

1993 · Series

Partners

1993 · Movie

Frasier

1993 · Series

Late Night with Conan O'Brien

1993 · Series

Fallen Angels

1993 · Series

When Love Kills: The Seduction of John Hearn

1993 · Movie

Distant Cousins

1993 · Movie

The Tommyknockers

1993 · Series

Through the Eyes of a Killer

1992 · Movie

The Larry Sanders Show

1992 · Series

In Sickness and in Health

1992 · Movie

Crooked Hearts

1991 · Movie

The Hidden Room

1991 · Series

Death Dreams

1991 · Movie

Blind Vengeance

1990 · Movie

Always

1989 · Movie

After Midnight

1989 · Movie

Peacemaker

1989 · Movie

Tales from the Crypt

1989 · Series

LIVE with Kelly and Mark

1988 · Series

China Beach

1988 · Series

China Beach: Pilot

1988 · Movie

thirtysomething

1987 · Series

Shell Game

1987 · Series

Matlock

1986 · Series

Spenser: For Hire

1985 · Series

American Playhouse

1982 · Series

This Week

1981 · Series

People's Choice Awards

1975 · Series

The Price Is Right

1972 · Series

Tony Awards

1956 · Series

Golden Globe Awards

1944 · Series