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 Immortalit… Read more
Series ★ 7.7 Les Experts : Las Vegas 2021
Catherine Willows ★ 6.2 Tout peut changer, Et si les femmes comptaient à Hollywood ? 2019
Self ★ 8 Mes Autres Vies de Chien 2019
Hannah Montgomery Series ★ 7.4 All Rise 2019
Lisa Benner ★ 6.3 Une nouvelle chance 2017
Samantha ★ 7.2 Les Experts : Tous ensemble... une dernière fois 2015
Catherine Willows Series ★ 6.5 Intelligence 2014
Lillian Strand Series ★ 7.1 Under the Dome 2013
Christine Price ★ 7.2 Wonder Woman 2009
Hera (voice) Series ★ 7.5 RuPaul's Drag Race 2009
Self - Guest Judge ★ 5 Columbus Day 2008
Alice ★ 6.9 Mr. Brooks 2007
Emma Brooks ★ 6.1 En bonne compagnie 2004
Ann Series ★ 5.6 The Ellen DeGeneres Show 2003
Self ★ 7.4 Erin Brockovich, seule contre tous 2000
Donna Jensen Series ★ 7.6 Les Experts 2000
Catherine Willows ★ 5.8 Mort à petites doses 1999
Ellen Farris ★ 5.2 La Mutante 2 1998
Dr. Laura Baker ★ 5.2 Suicide Club 1997
Lizzy ★ 5.8 Menace Toxique 1997
Sarah Kellogg Series ★ 7.4 Les Rois du Texas 1997
Mrs. Hanover / Pretty Student (voice) Series ★ 4.3 La Vue 1997
Self ★ 6.1 Président ? Vous avez dit président ? 1996
Joanna (uncredited) ★ 6.8 Bad Boys 1995
Alison Sinclair ★ 6 La Mutante 1995
Dr. Laura Baker ★ 5.7 Deux Cowboys à New York 1994
Margarette Series ★ 7.8 Urgences 1994
Karen Hines Series ★ 7.7 Frasier 1993
Emily Series ★ 7.3 Late Night with Conan O'Brien 1993
Self - Guest Series ★ 5.5 Les Tommyknockers 1993
Bobbi Anderson Series ★ 7.7 The Larry Sanders Show 1992
Susan Elliot ★ 5.6 Amour déloyal 1991
Jennetta ★ 5.7 Après Minuit 1989
Alex (segment "All Night Operator") ★ 6.2 Always 1989
Rachel Series ★ 8 Les Contes de la crypte 1989
Vicki Series ★ 7.4 China Beach 1988
KC Koloski Series ★ 5.6 LIVE with Kelly and Mark 1988
Self - Guest Series ★ 6.3 thirtysomething 1987
Series ★ 7.1 Matlock 1986
Victoria Rollins / Laura Norwood Series ★ 6.9 Spenser: For Hire 1985
Nancy Kettering Series ★ 6.3 The Price Is Right 1972
Self Series ★ 7 Golden Globe Awards 1944
Self - Audience Member 
