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

King of the Hill

ER

Frasier

RuPaul's Drag Race

The View

Golden Globe Awards

Golden Globe Awards

All Movies (41)

• This Changes Everything2019 · as Self
• A Dog's Journey2019 · as Hannah Montgomery
• Almost Friends2017 · as Samantha
• CSI: Immortality2015 · as Catherine Willows
• Wonder Woman2009 · as Hera (voice)
• Columbus Day2008 · as Alice
• Mr. Brooks2007 · as Emma Brooks
• In Good Company2004 · as Ann
• Erin Brockovich2000 · as Donna Jensen
• Perfect Murder, Perfect Town: JonBenét and the City of Boulder2000 · as Patsy Ramsey
• Lethal Vows1999 · as Ellen Farris
• Happy Face Murders1999 · as Jen Powell
• Giving Up the Ghost1998 · as Anna Hobson
• Thanks of a Grateful Nation1998 · as Jerrilynn Folz
• Species II1998 · as Dr. Laura Baker
• Gold Coast1997 · as Karen DiCilia
• Fire Down Below1997 · as Sarah Kellogg
• The Last Time I Committed Suicide1997 · as Lizzy
• Murder Live!1997 · as Pia Postman
• My Fellow Americans1996 · as Joanna (uncredited)
• Conundrum1996 · as Det. Rose Ekberg
• Inflammable1995 · as Lt. (j.g.) Kay Dolan
• Species1995 · as Dr. Laura Baker
• Bad Boys1995 · as Alison Sinclair
• Just Looking1995 · as Darlene Carpenter
• Where Are My Children?1994 · as Vanessa Meyer Vernon Scott
• Lie Down with Lions1994 · as Kate Nessen
• The Cowboy Way1994 · as Margarette
• Keys1994 · as Maureen 'Kick' Kickasola
• Partners1993 · as Georgeanne Bidwell
• When Love Kills: The Seduction of John Hearn1993 · as Debbie Banister
• Distant Cousins1993 · as Connie
• Through the Eyes of a Killer1992 · as Laurie Fisher
• In Sickness and in Health1992 · as Mickey
• Crooked Hearts1991 · as Jennetta
• Death Dreams1991 · as Crista Westfield
• Blind Vengeance1990 · as Virginia Whitelaw
• Always1989 · as Rachel
• After Midnight1989 · as Alex (segment "All Night Operator")
• Peacemaker1989 · as Mrs. Cooper
• China Beach: Pilot1988 · as K.C. Kolowski

All TV Shows (36)

• CSI: Vegas2021 · as Catherine Willows
• Stars in the House2020 · as Self
• All Rise2019 · as Lisa Benner
• Intelligence2014 · as Lillian Strand
• Under the Dome2013 · as Christine Price
• The Talk2010 · as Self
• RuPaul's Drag Race2009 · as Self - Guest Judge
• The Tony Danza Show2004 · as Self
• The Ellen DeGeneres Show2003 · as Self
• CSI: Crime Scene Investigation2000 · as Catherine Willows
• Perfect Murder, Perfect Town2000 · as Patsy Ramsey
• The Early Show1999 · as Self
• The View1997 · as Self
• King of the Hill1997 · as Mrs. Hanover / Pretty Student (voice)
• ER1994 · as Karen Hines
• Intimate Portrait1993 · as Self
• Frasier1993 · as Emily
• Late Night with Conan O'Brien1993 · as Self - Guest
• Fallen Angels1993 · as Eve Cressy
• The Tommyknockers1993 · as Bobbi Anderson
• The Larry Sanders Show1992 · as Susan Elliot
• The Hidden Room1991 · as Jane
• Tales from the Crypt1989 · as Vicki
• LIVE with Kelly and Mark1988 · as Self - Guest
• China Beach1988 · as KC Koloski
• thirtysomething1987
• Shell Game1987
• Matlock1986 · as Victoria Rollins / Laura Norwood
• Spenser: For Hire1985 · as Nancy Kettering
• This Week1981
• People's Choice Awards1975 · as Self - Presenter
• The Price Is Right1972 · as Self
• Tony Awards1956 · as Self - Presenter
• Golden Globe Awards1944 · as Self - Audience Member
• Golden Globe Awards1944 · as Self - Nominee
• Golden Globe Awards1944 · as Self - Presenter