Marg Helgenberger

Personal Info

Known For

Acting

Known Credits

75

Gender

Female

Birthday

1958-11-16 (67 years old)

Place of Birth

Fremont, Nebraska, USA

Marg Helgenberger

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). Description above from the Wikipedia article Marg Helgenberger, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Known For

  • CSI: Crime Scene Investigation

    CSI: Crime Scene Investigation

  • Golden Globe Awards

    Golden Globe Awards

  • Golden Globe Awards

    Golden Globe Awards

  • Golden Globe Awards

    Golden Globe Awards

  • ER

    ER

  • Frasier

    Frasier

  • The View

    The View

  • King of the Hill

    King of the Hill

  • Late Night with Conan O'Brien

    Late Night with Conan O'Brien

  • RuPaul's Drag Race

    RuPaul's Drag Race

  • RuPaul's Drag Race

    RuPaul's Drag Race

  • LIVE with Kelly and Mark

    LIVE with Kelly and Mark

  • Matlock

    Matlock

  • Under the Dome

    Under the Dome

  • The Tony Danza Show

    The Tony Danza Show

  • Intimate Portrait

    Intimate Portrait

  • The Ellen DeGeneres Show

    The Ellen DeGeneres Show

  • CSI: Vegas

    CSI: Vegas

  • The Larry Sanders Show

    The Larry Sanders Show

  • Tales from the Crypt

    Tales from the Crypt

  • People's Choice Awards

    People's Choice Awards

  • Stars in the House

    Stars in the House

  • Conundrum

    Conundrum

  • thirtysomething

    thirtysomething

  • Fallen Angels

    Fallen Angels

  • Bad Boys

    Bad Boys

  • All Rise

    All Rise

  • Spenser: For Hire

    Spenser: For Hire

  • China Beach

    China Beach

  • Mr. Brooks

    Mr. Brooks

  • The Price Is Right

    The Price Is Right

  • Inflammable

    Inflammable

  • This Changes Everything

    This Changes Everything

  • Erin Brockovich

    Erin Brockovich

  • Intelligence

    Intelligence

  • Species

    Species

  • Death Dreams

    Death Dreams

  • Just Looking

    Just Looking

  • This Week

    This Week

  • Distant Cousins

    Distant Cousins

  • In Good Company

    In Good Company

  • The Cowboy Way

    The Cowboy Way

  • Partners

    Partners

  • Happy Face Murders

    Happy Face Murders

  • The Tommyknockers

    The Tommyknockers

  • A Dog's Journey

    A Dog's Journey

  • The Early Show

    The Early Show

  • Keys

    Keys

  • Species II

    Species II

  • Fire Down Below

    Fire Down Below

  • My Fellow Americans

    My Fellow Americans

  • Wonder Woman

    Wonder Woman

  • Always

    Always

  • Blind Vengeance

    Blind Vengeance

  • Where Are My Children?

    Where Are My Children?

  • Almost Friends

    Almost Friends

  • Crooked Hearts

    Crooked Hearts

  • Columbus Day

    Columbus Day

  • CSI: Immortality

    CSI: Immortality

  • After Midnight

    After Midnight

  • The Last Time I Committed Suicide

    The Last Time I Committed Suicide

  • Lethal Vows

    Lethal Vows

  • Gold Coast

    Gold Coast

  • Shell Game

    Shell Game

  • When Love Kills: The Seduction of John Hearn

    When Love Kills: The Seduction of John Hearn

  • China Beach: Pilot

    China Beach: Pilot

  • Perfect Murder, Perfect Town

    Perfect Murder, Perfect Town

  • Murder Live!

    Murder Live!

  • In Sickness and in Health

    In Sickness and in Health

  • Through the Eyes of a Killer

    Through the Eyes of a Killer

  • Thanks of a Grateful Nation

    Thanks of a Grateful Nation

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

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

  • Peacemaker

    Peacemaker

  • Lie Down with Lions

    Lie Down with Lions

  • Giving Up the Ghost

    Giving Up the Ghost