Marg Helgenberger

Marg Helgenberger 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), the subsequent television film Immortality (2015), and the second and third seasons of the sequel series CSI: Vegas (2022–2024). Helgenberger is also known for playing the role of K.C. Koloski in the ABC drama China Beach (1988–91), which earned her the 1990 Emmy Award for Outstanding Supporting Actress in a Drama Series. She is also known for roles in the TV series Under the Dome and Intelligence, and the films Species (1995), Species II (1998), Erin Brockovich (2000), and Mr. Brooks (2007).

16 November 1958

Born on the same birth date (16 November 1958): Boris Krivokapić

Born on the same birth day (16 November): André-Frank Zambo Anguissa • Brandon Larracuente • Carol Huynh • Dietrich Kraiss • Gemma Atkinson • Horst Bertram • Jean Chardin • Jürgen Kröger • Kang Ning-hsiang • Richard von Coudenhove-Kalergi • Tammy Lauren

Born in the same month (November 1958): Algirdas Butkevičius • Anne Sweeney • Annette Gordon-Reed • Brady Hoke • Daniel Brailovsky • Don Falcone • Ibrahim Iskandar of Johor • John Mahama • Margaret Curran • Mark Austin (journalist) • Martin Snedden • Mike Scioscia • Roy Aitken • Selçuk Yula • Stacey Q • Stephen Herek • Willie McGee