Biography

Marg Helgenberger is beloved by audiences for her wide variety of roles on both the big and small screen over the past few decades.

Many viewers know her for starring in the mega hit "CSI: Crime Scene Investigation," on the Network, for 12 seasons. She earned two Emmy Award nominations and two Golden Globe nominations for her portrayal of Catherine Willows, a single mother working as a crime scene analyst. Following that role, Helgenberger starred in two additional series on the Network, "Intelligence" and "Under the Dome." Her breakout role was as K.C. on "China Beach," which earned her an Emmy Award in 1990. In addition, Marg has appeared in numerous mini-series, including starring as Patsy Ramsey in "Perfect Murder, Perfect Town," on the Network, which was based on the bestselling book about the unsolved murder of Jon Benét Ramsey.

Most recently, Helgenberger appeared in the film "A Dog's Journey," starring alongside Dennis Quaid. Her additional film credits include "Erin Brockovich," "Mr. Brooks," "In Good Company," "Fire Down Below," "Species," "My Fellow Americans," "Cowboy Way," "Bad Boys" and "Always."

In 2017, Marg starred in the off-Broadway premiere of Theresa Rebeck's play "What We're Up Against" at the WP Theatre. Her other recent stage appearances include the Arena Stage production of "The Little Foxes" and the Barrington Stage Company's production of "The Other Place."

Marg was raised in North Bend, Neb., and is a graduate of Northwestern University. Currently, she resides in Los Angeles. Her birthday is Nov. 16. Follow her on Twitter @MargHelgen and Instagram @MargHelgenberger.