Marg Helgenberger

Born on November 16, 1958, in Fremont, Nebraska, Mary Marg Helgenberger was raised in North Bend, Nebraska, where she worked as a meatpacker in her father's meat inspection plant and played the french horn in the high school marching band. She studied speech and drama at Northwestern University's School of Communication in Evanston, Illinois, where a talent scout for the ABC soap opera 'Ryan's Hope' discovered her during a university theater production. Moving to New York in 1982, she starred as Siobhan Ryan Novak for four seasons. In 1988, Helgenberger landed her critical breakthrough role as Karen Charlene 'K.C.' Koloski, a cynical, compassionate civilian prostitute and entrepreneur in the acclaimed Vietnam War drama series 'China Beach' (1988–1991). Her powerful dramatic performance earned her the Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series in 1990. In 2000, Helgenberger was cast in the career-defining role of Catherine Willows, a former Las Vegas exotic dancer turned razor-sharp forensic investigator, in CBS's groundbreaking procedural 'CSI: Crime Scene Investigation'. Starring alongside William Petersen, Helgenberger helped make 'CSI' the most-watched television drama on planet Earth for over a decade, earning two Emmy Award nominations, two Golden Globe nominations, and a Screen Actors Guild Award. On the big screen, she appeared in Steven Soderbergh's Oscar-winning drama 'Erin Brockovich' (2000) and the psychological thriller 'Mr. Brooks' (2007). In 2012, Helgenberger received a star on the Hollywood Walk of Fame. In 2022, she reprised her beloved Catherine Willows role in 'CSI: Vegas'.