Cast Member

Catherine Willows

Marg Helgenberger

Marg Helgenberger stars as Catherine Willows in CSI: Crime Scene Investigation. Marg is best known for her role as K.C. Koloski in “China Beach,” for which she received an Emmy Award for Outstanding Supporting Actress in a Drama Series.

Helgenberger’s other television credits include “Under the Dome,” “Intelligence,” “ER,” and “Shell.”

Marg’s film credits include her role as Mrs. Emma Brooks in “Mr. Brooks,” as well as her portrayal of Dr. Laura Baker in “Species” and “Species II.” Marg’s additional film credits include “Wonder Woman,” “Fire Down Below,” “Bad Boys,” “Erin Brockovich” and In Good Company.”