Marg Helgenberger

Personal Info

Known For

Acting

Known Credits

74

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

  • Frasier

    Frasier

  • King of the Hill

    King of the Hill

  • RuPaul's Drag Race

    RuPaul's Drag Race

  • RuPaul's Drag Race

    RuPaul's Drag Race

  • ER

    ER

  • Golden Globe Awards

    Golden Globe Awards

  • Golden Globe Awards

    Golden Globe Awards

  • Golden Globe Awards

    Golden Globe Awards

  • Tony Awards

    Tony Awards

  • The View

    The View

  • Under the Dome

    Under the Dome

  • LIVE with Kelly and Mark

    LIVE with Kelly and Mark

  • Matlock

    Matlock

  • Late Night with Conan O'Brien

    Late Night with Conan O'Brien

  • The Ellen DeGeneres Show

    The Ellen DeGeneres Show

  • Stars in the House

    Stars in the House

  • Tales from the Crypt

    Tales from the Crypt

  • All Rise

    All Rise

  • Intimate Portrait

    Intimate Portrait

  • The Tony Danza Show

    The Tony Danza Show

  • CSI: Vegas

    CSI: Vegas

  • thirtysomething

    thirtysomething

  • Spenser: For Hire

    Spenser: For Hire

  • The Price Is Right

    The Price Is Right

  • Bad Boys

    Bad Boys

  • A Dog's Journey

    A Dog's Journey

  • China Beach

    China Beach

  • Death Dreams

    Death Dreams

  • Almost Friends

    Almost Friends

  • Fallen Angels

    Fallen Angels

  • Species

    Species

  • Wonder Woman

    Wonder Woman

  • Erin Brockovich

    Erin Brockovich

  • Always

    Always

  • After Midnight

    After Midnight

  • CSI: Immortality

    CSI: Immortality

  • Mr. Brooks

    Mr. Brooks

  • Intelligence

    Intelligence

  • Fire Down Below

    Fire Down Below

  • Conundrum

    Conundrum

  • This Week

    This Week

  • Species II

    Species II

  • Distant Cousins

    Distant Cousins

  • Just Looking

    Just Looking

  • Crooked Hearts

    Crooked Hearts

  • Lethal Vows

    Lethal Vows

  • Gold Coast

    Gold Coast

  • Peacemaker

    Peacemaker

  • The Last Time I Committed Suicide

    The Last Time I Committed Suicide

  • Blind Vengeance

    Blind Vengeance

  • The Cowboy Way

    The Cowboy Way

  • Columbus Day

    Columbus Day

  • In Good Company

    In Good Company

  • The Tommyknockers

    The Tommyknockers

  • This Changes Everything

    This Changes Everything

  • Inflammable

    Inflammable

  • The Early Show

    The Early Show

  • Murder Live!

    Murder Live!

  • Keys

    Keys

  • In Sickness and in Health

    In Sickness and in Health

  • Thanks of a Grateful Nation

    Thanks of a Grateful Nation

  • My Fellow Americans

    My Fellow Americans

  • Partners

    Partners

  • Where Are My Children?

    Where Are My Children?

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

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

  • Giving Up the Ghost

    Giving Up the Ghost

  • Happy Face Murders

    Happy Face Murders

  • 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

  • Lie Down with Lions

    Lie Down with Lions

  • Shell Game

    Shell Game

  • Through the Eyes of a Killer

    Through the Eyes of a Killer