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Mary Marg Helgenberger, born in 1958, cut her teeth in daytime television as Siobhan Ryan on "Ryan's Hope" before transitioning to primetime with a string of notable roles. Her portrayal of K.C. Koloski in "China Beach" earned her an Emmy in 1990. Helgenberger's career soared with the role of Catherine Willows in "CSI: Crime Scene Investigation," a ten-year tenure that solidified her status as a television icon, reprised in both the 2015 TV movie "Immortality" and the reboot "CSI: Vegas." Her filmography includes high-profile features such as "Species," "Erin Brockovich," and "Mr. Brooks," cementing her as a versatile actress across genres and platforms.
The roles that explain the career.
31 credits across 1 departments.
| Year | Title | Role | Type |
|---|---|---|---|
| 2019 | A Dog's Journey | Hannah Montgomery | Film |
| 2014 | Intelligence | Lillian Strand | TV |
| 2009 | Wonder Woman | Hera (voice) | Film |
| 2008 | Columbus Day | Alice | Film |
| 2007 | Mr. Brooks | Emma Brooks | Film |
| 2005 | Grave Danger | Catherine Willows | Film |
| 2005 | CSI: Grave Danger | Catherine Willows | Film |
| 2005 | CSI: Crime Scene Investigation - Grave Danger | Catherine Willows | Film |
| 2004 | In Good Company | Ann | Film |
| 2000 | Erin Brockovich | Donna Jensen | Film |
| 1999 | Happy Face Murders | Jen Powell | Film |
| 1999 | Lethal Vows | Ellen Farris | Film |
| 1998 | Thanks of a Grateful Nation | Jerrilynn Folz | Film |
| 1998 | Species II | Dr. Laura Baker | Film |
| 1997 | The Last Time I Committed Suicide | Lizzy | Film |
| 1997 | Fire Down Below | Sarah Kellogg | Film |
| 1997 | Gold Coast | Karen DiCilia | Film |
| 1996 | Conundrum | Det. Rose Ekberg | Film |
| 1995 | Species | Dr. Laura Baker | Film |
| 1995 | Inflammable | Lt. (j.g.) Kay Dolan | Film |
| 1995 | Bad Boys | Alison Sinclair | Film |
| 1994 | The Cowboy Way | Margarette | Film |
| 1994 | Lie Down with Lions | Kate Nessen | Film |
| 1993 | The Tommyknockers | Bobbi Anderson | TV |
| 1992 | Through the Eyes of a Killer | Laurie Fisher | Film |
| 1991 | Crooked Hearts | Jennetta | Film |
| 1991 | Death Dreams | Crista Westfield | Film |
| 1989 | After Midnight | Alex (segment "All Night Operator") | Film |
| 1989 | Peacemaker | Mrs. Cooper | Film |
| 1989 | Always | Rachel | Film |
| 1988 | China Beach | KC Koloski | TV |
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